View Filing Data

^[1]

1,272,663

1,073,506

Segment Reporting, Asset Reconciling Item [Line Items]

24,286

$ 32,594

Operating Segments

Accounts Receivable, Net

256,807

215,108

^[1]

1,267,711

1,071,480

Operating Segments | 5.11 Tactical

22,933

31,395

Segment Reporting, Asset Reconciling Item [Line Items]

62,088

60,481

^[1]

313,859

324,068

Operating Segments | Crosman

5,372

17,532

Segment Reporting, Asset Reconciling Item [Line Items]

15,922

20,396

^[1]

131,709

129,033

Operating Segments | Ergobaby

1,991

Segment Reporting, Asset Reconciling Item [Line Items]

12,265

12,869

^[1]

106,142

105,672

Operating Segments | Liberty

2,042

653

Segment Reporting, Asset Reconciling Item [Line Items]

13,083

13,679

28,175

26,715

^[1]

Operating Segments | Manitoba Harvest

343

599

Segment Reporting, Asset Reconciling Item [Line Items]

6,704

5,663

92,841

95,046

^[1]

Segment Reporting, Asset Reconciling Item [Line Items]

1,621

1,510

Operating Segments | ACI

6,591

^[1]

6,525

^[1]

15,365

14,522

Operating Segments | Arnold Magnetics

804

873

Segment Reporting, Asset Reconciling Item [Line Items]

17,658

^[1]

14,804

Operating Segments | Clean Earth

^[1]

67,204

66,979

Segment Reporting, Asset Reconciling Item [Line Items]

51,137

^[1]

50,599

182,611

^[1]

183,508

Operating Segments | Foam Fabricators

5,460

5,227

Segment Reporting, Asset Reconciling Item [Line Items]

^[1]

20,596

^[1]

165,490

Operating Segments | Sterno

885

Segment Reporting, Asset Reconciling Item [Line Items]

62,619

40,087

Reconciliation of Segment to Consolidated | Amortization Of Debt Issuance Costs And Original Issue Discount

164,315

125,937

^[1]

Segment Reporting, Asset Reconciling Item [Line Items]

Reconciliation of Segment to Consolidated | Corporate and Other

1,353

$ 1,199

Segment Reporting, Asset Reconciling Item [Line Items]

^[1]

$ 4,952

$ 2,026

[1]	Does not include accounts receivable balances per schedule above or goodwill balances - refer to Note G - "Goodwill and Other Intangible Assets".

Investment in Fox (Details) - USD ($) $ in Thousands	3 Months Ended
Investment in Fox (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 31, 2017	Jan. 01, 2017
Subsidiary, Sale of Stock [Line Items]
Net proceeds from sale of equity investment	$ 0	$ 136,147
FOX
Subsidiary, Sale of Stock [Line Items]
Non-controlling interest			14.00%
Proceeds to parent from shares sold to subsidiary	$ 136,147
Secondary Offering \| FOX
Subsidiary, Sale of Stock [Line Items]
Equity method investment, amount of shares sold (shares)	5,108,718

Property, Plant and Equipment and Inventory - Summary of Property, Plant and Equipment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 9,590	$ 8,046
Property, plant and equipment, gross	326,545		$ 285,809
Construction in process	25,625		18,153
Less: accumulated depreciation	(126,315)		(112,728)
Total	200,230		173,081
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	194,651		178,187
Furniture, fixtures and other
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	39,954		28,824
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	23,422		20,630
Buildings and land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 42,893		$ 40,015

Property, Plant and Equipment and Inventory - Summary of Inventory (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 9,590	$ 8,046
Raw materials	55,636		$ 36,124
Work-in-process	16,357		13,921
Finished goods	237,364		205,512
Less: obsolescence reserve	(14,621)		(8,629)
Total	$ 294,736		$ 246,928

Goodwill and Other Intangible Assets - Additional Information (Detail) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2018 USD ($) Reporting_Unit	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)	Jan. 01, 2018 USD ($)
Goodwill And Other Intangible Assets [Line Items]
Goodwill	$ 728,276		$ 531,689	$ 531,689
Goodwill, Acquired During Period	197,631
Goodwill - gross carrying amount	759,429		562,842
Goodwill, estimated impairment loss	31,153		$ 31,153
Impairment expense	0	$ 8,864
Amortization expense	12,699	10,310
ACI
Goodwill And Other Intangible Assets [Line Items]
Goodwill	58,019			58,019
5.11 Tactical
Goodwill And Other Intangible Assets [Line Items]
Goodwill	92,966			92,966
Crosman
Goodwill And Other Intangible Assets [Line Items]
Goodwill	49,422			49,352
Goodwill, Other Increase (Decrease)	70
Goodwill, Acquired During Period	0
Ergobaby
Goodwill And Other Intangible Assets [Line Items]
Goodwill	61,031			61,031
Liberty
Goodwill And Other Intangible Assets [Line Items]
Goodwill	32,828			32,828
Manitoba Harvest
Goodwill And Other Intangible Assets [Line Items]
Goodwill	39,910			41,024
Goodwill, Foreign Currency Translation Gain (Loss)	(1,114)
Impairment assessment assumptions weighted average cost of capital			11.70%
Goodwill - gross carrying amount		$ 44,500	$ 6,300
Arnold
Goodwill And Other Intangible Assets [Line Items]
Goodwill	26,903			26,903
Goodwill, Impairment Loss	$ 0
Number of reporting units at Arnold Subsidiary \| Reporting_Unit	3
Number of reporting unit identified as requiring further quantitative testing \| Reporting_Unit	3
Clean Earth
Goodwill And Other Intangible Assets [Line Items]
Goodwill	$ 123,877			119,099
Goodwill, Acquired During Period	4,778
Foam Fabricators
Goodwill And Other Intangible Assets [Line Items]
Goodwill, Acquired During Period	71,489
Sterno Products
Goodwill And Other Intangible Assets [Line Items]
Goodwill	163,182			41,818
Goodwill, Acquired During Period	121,364
Corporate Segment [Member]
Goodwill And Other Intangible Assets [Line Items]
Goodwill	$ 8,649			$ 8,649
Manitoba Harvest
Goodwill And Other Intangible Assets [Line Items]
Impairment assessment assumptions weighted average cost of capital	12.00%
Excess of fair value from carrying value of goodwill	15.00%
PMAG
Goodwill And Other Intangible Assets [Line Items]
Goodwill, estimated impairment loss	$ 24,900		16,000
Impairment expense	$ 8,900
Minimum \| PMAG
Goodwill And Other Intangible Assets [Line Items]
Goodwill, estimated impairment loss			14,000
Maximum \| PMAG
Goodwill And Other Intangible Assets [Line Items]
Goodwill, estimated impairment loss			19,000
Goodwill \| Fair Value, Measurements, Nonrecurring
Goodwill And Other Intangible Assets [Line Items]
Impairment expense			8,864
Goodwill \| Fair Value, Measurements, Nonrecurring \| Manitoba Harvest
Goodwill And Other Intangible Assets [Line Items]
Impairment expense			6,188
Trade Names [Member] \| Fair Value, Measurements, Nonrecurring
Goodwill And Other Intangible Assets [Line Items]
Impairment expense			2,273
Trade Names [Member] \| Fair Value, Measurements, Nonrecurring \| Manitoba Harvest
Goodwill And Other Intangible Assets [Line Items]
Impairment expense			2,273
Trade Names [Member] \| Manitoba Harvest
Goodwill And Other Intangible Assets [Line Items]
Goodwill - gross carrying amount			$ 2,300

Goodwill and Other Intangible Assets - Summary of Reconciliation of Change in Carrying Value of Goodwill (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Goodwill [Line Items]
Goodwill - gross carrying amount			$ 759,429		$ 562,842
Accumulated impairment losses			(31,153)		(31,153)
Goodwill - net carrying amount	$ 531,689		728,276	$ 531,689	531,689
Goodwill [Roll Forward]
Balance as of January 1, 2017	728,276
Acquisitions	197,631
Impairment expense	0	$ (8,864)
Balance as of March 31, 2017	531,689
Corporate Segment [Member]
Goodwill [Line Items]
Goodwill - net carrying amount	8,649		8,649	8,649
Goodwill [Roll Forward]
Balance as of January 1, 2017	8,649
5.11 Tactical
Goodwill [Line Items]
Goodwill - net carrying amount	92,966		92,966	92,966
Goodwill [Roll Forward]
Balance as of January 1, 2017	92,966
Ergobaby
Goodwill [Line Items]
Goodwill - net carrying amount	61,031		61,031	61,031
Goodwill [Roll Forward]
Balance as of January 1, 2017	61,031
Liberty
Goodwill [Line Items]
Goodwill - net carrying amount	32,828		32,828	32,828
Goodwill [Roll Forward]
Balance as of January 1, 2017	32,828
Manitoba Harvest
Goodwill [Line Items]
Goodwill - gross carrying amount		$ 44,500			$ 6,300
Goodwill - net carrying amount	39,910		39,910	41,024
Goodwill [Roll Forward]
Balance as of January 1, 2017	39,910
ACI
Goodwill [Line Items]
Goodwill - net carrying amount	58,019		58,019	58,019
Goodwill [Roll Forward]
Balance as of January 1, 2017	58,019
Arnold
Goodwill [Line Items]
Goodwill - net carrying amount	26,903		26,903	26,903
Goodwill [Roll Forward]
Balance as of January 1, 2017	26,903
Clean Earth
Goodwill [Line Items]
Goodwill - net carrying amount	123,877		123,877	119,099
Goodwill [Roll Forward]
Balance as of January 1, 2017	123,877
Acquisitions	4,778
Sterno Products
Goodwill [Line Items]
Goodwill - net carrying amount	163,182		163,182	$ 41,818
Goodwill [Roll Forward]
Balance as of January 1, 2017	163,182
Acquisitions	121,364
PMAG
Goodwill [Line Items]
Goodwill - net carrying amount	15,600		15,600
Goodwill [Roll Forward]
Balance as of January 1, 2017	15,600
Flexmag
Goodwill [Line Items]
Goodwill - net carrying amount	4,800		4,800
Goodwill [Roll Forward]
Balance as of January 1, 2017	4,800
Precision Thin Metals
Goodwill [Line Items]
Goodwill - net carrying amount	6,500		$ 6,500
Goodwill [Roll Forward]
Balance as of January 1, 2017	$ 6,500

Goodwill and Other Intangible Assets - Summary of Other Intangible Assets (Detail) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, gross	$ 814,518,000	$ 694,691,000
Total accumulated amortization	197,809,000	(185,441,000)
Finite-Lived Intangible Assets, Net	(616,709,000)	(509,250,000)
Trade names, not subject to amortization	70,913,000	71,267,000
Intangible Assets, Gross (Excluding Goodwill)	885,431,000	765,958,000
Total intangibles, net	687,622,000	580,517,000
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, gross	454,562,000	338,719,000
Total accumulated amortization	(107,882,000)	(102,271,000)
Finite-Lived Intangible Assets, Net	346,680,000	(236,448,000.000)
Technology and patents
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, gross	48,760,000	49,075,000
Total accumulated amortization	(23,386,000)	(22,492,000)
Finite-Lived Intangible Assets, Net	25,374,000	(26,583,000.000)
Trade name
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, gross	187,275,000	182,976,000
Total accumulated amortization	(25,783,000)	(22,518,000)
Finite-Lived Intangible Assets, Net	161,492,000	(160,458,000.000)
Licensing and non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, gross	7,965,000	7,965,000
Total accumulated amortization	(6,600,000)	(6,488,000)
Finite-Lived Intangible Assets, Net	1,365,000	(1,477,000.000)
Permits and Airspace
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, gross	115,230,000	115,230,000
Total accumulated amortization	(33,482,000)	(31,026,000)
Finite-Lived Intangible Assets, Net	81,748,000	(84,204,000.000)
Distributor relations and other
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, gross	726,000	726,000
Total accumulated amortization	(676,000)	(646,000)
Finite-Lived Intangible Assets, Net	$ 50,000	$ (80,000.000)

Goodwill and Other Intangible Assets - Summary of Estimated Charges to Amortization Expense of Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 12,699	$ 10,310
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
April 1, through Dec. 31, 2018	53,412
2018	70,163
2019	60,542
2020	50,829
2021	49,150
Total amortization expense	$ 284,096

Debt - Additional Information (Detail) - USD ($)			1 Months Ended
Debt - Additional Information (Detail) - USD ($)	Aug. 31, 2016	Jun. 06, 2014	Mar. 31, 2017	Mar. 31, 2014	Mar. 31, 2018	Dec. 31, 2017	Aug. 15, 2016
Debt Instrument [Line Items]
Deferred debt issuance costs					$ 21,628,000	$ 21,491,000
Line of Credit Facility, Maximum Borrowing Capacity					159,200,000
Accumulated amortization					(11,347,000)	(10,250,000)
Deferred debt issuance costs, less accumulated amortization					10,281,000	11,241,000
FOX Credit Facility \| Prime Rate \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate				0.50%
FOX Credit Facility \| Prime Rate \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate				1.50%
2014 Credit Agreement
Debt Instrument [Line Items]
Debt Issuance Cost (Deprecated 2016-01-31)	$ 6,000,000
2014 Credit Agreement \| Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Unused fee percentage		0.45%
2014 Credit Agreement \| Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Unused fee percentage		0.60%
2014 Credit Agreement \| Revolving Credit Facility \| London Interbank Offered Rate (LIBOR) \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		2.00%
2014 Credit Agreement \| Revolving Credit Facility \| London Interbank Offered Rate (LIBOR) \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		2.75%
2014 Credit Agreement \| Revolving Credit Facility \| Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate		0.50%
2014 Credit Agreement \| Revolving Credit Facility \| Base Rate \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		1.00%
2014 Credit Agreement \| Revolving Credit Facility \| Base Rate \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		1.75%
2014 Credit Agreement \| Letter of Credit
Debt Instrument [Line Items]
Credit facility obtained		$ 100,000,000.0
2014 Credit Agreement \| Line of Credit
Debt Instrument [Line Items]
Credit facility obtained		25,000,000.0
2014 Revolving Credit Facility \| Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		550,000,000					$ 400,000,000
Increase in borrowing capacity	150,000,000
2016 Incremental Term Loan \| Term Loan
Debt Instrument [Line Items]
Increase in borrowing capacity	$ 250,000,000
Credit facility obtained						250,000,000
2014 Term Loan \| Term Loan
Debt Instrument [Line Items]
Credit facility obtained		$ 325,000,000
Frequency of payments		quarterly
Original issue discount	99.25%	99.50%
Debt Issuance Cost (Deprecated 2016-01-31)			$ 1,200,000
Capitalized debt issuance costs	$ 6,000,000
Increase to quarterly payments	$ 1,400,000
2014 Term Loan \| Term Loan \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate		3.25%	2.75%
2014 Term Loan \| Term Loan \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate		2.25%	1.75%
Letter of Credit
Debt Instrument [Line Items]
Letter of credit outstanding					300,000
Other non-current assets
Debt Instrument [Line Items]
Deferred debt issuance costs, less accumulated amortization					2,441,000	2,783,000
Other noncurrent liabilities
Debt Instrument [Line Items]
Deferred debt issuance costs, less accumulated amortization					$ 7,840,000	$ 8,458,000

Debt-Issuance Costs (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Deferred debt issuance costs	$ 21,628	$ 21,491
Accumulated amortization	11,347	10,250
Deferred debt issuance costs, less accumulated amortization	10,281	11,241
Other non-current assets
Debt Instrument [Line Items]
Deferred debt issuance costs, less accumulated amortization	2,441	2,783
Long-term debt
Debt Instrument [Line Items]
Deferred debt issuance costs, less accumulated amortization	$ 7,840	$ 8,458

Debt - Summary of Debt Holdings (Detail) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Total debt	$ 937,984	$ 590,032
Original issue discount	(3,228)	(3,483)
Debt issuance costs - term loan	(10,281)	(11,241)
Current portion, long-term debt	(5,685)	(5,685)
Long term debt	932,299	584,347
Revolving Credit Facility
Debt Instrument [Line Items]
Total debt	390,500	42,000
Term Loan Facility
Debt Instrument [Line Items]
Total debt	558,551	559,973
Debt issuance costs - term loan	(7,839)	(8,458)
Current portion, long-term debt	$ (5,685)	$ (5,685)

Derivative Instruments and Hedging Activities - Additional Information (Detail) - USD ($) $ in Thousands	Sep. 16, 2014	Mar. 31, 2018	Dec. 31, 2017
New Interest Rate Swap
Derivative [Line Items]
Notional amount	$ 220,000
Interest rate on notional amount	2.97%
Interest rate swap agreement with bank, agreement period	3 months
Level 2 \| Fair Value \| Fair Value, Measurements, Recurring
Derivative [Line Items]
Fair value loss		$ (2,499)	$ (6,107)

Derivative Instruments and Hedging Activities-By Balance Sheet Location (Details) - Interest Rate Swap - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Derivative [Line Items]
Total fair value	$ 2,499	$ 6,107
Other current liabilities
Derivative [Line Items]
Total fair value	1,334	2,468
Other noncurrent liabilities
Derivative [Line Items]
Total fair value	$ 1,165	$ 3,639

Fair Value Measurement - Summary of Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Detail) - USD ($)
$ in Thousands

3 Months Ended

12 Months Ended

Mar. 31, 2018

Dec. 31, 2017

Feb. 26, 2018

Jan. 31, 2018

Fair Value, Measurements, Recurring | Carrying Value

$ (25,178)

$ (178)

$ (5,010)

(178)

^[1]

(25,000)

Fair Value, Measurements, Recurring | Level 1 | Fair Value

(27,677)

(6,285)

^[1]

Fair Value, Measurements, Recurring | Level 2 | Fair Value

^[1]

(2,499)

(6,107)

Fair Value, Measurements, Recurring | Level 3 | Fair Value

(2,499)

(6,107)

(178)

^[1]

(25,000)

New Interest Rate Swap | Fair Value, Measurements, Recurring | Carrying Value

(25,178)

(178)

(2,499)

(6,107)

Rimports

Northern International, Inc.

$ 25,000

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Payment of contingent consideration

$ 3,780

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases

$ (382)

[1]	Represents potential earn-out payable by Sterno for the acquisition of

Fair Value Measurement - Reconciliations of Change in Carrying Value of Level 3 Fair Value Measurements (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Feb. 26, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of liability, Beginning balance	$ (178)
Fair value of liability, Ending balance	(25,178)	$ (178)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss)		3
Northern International, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration - acquisition (1)		(382)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements		475
Payment of contingent consideration	$ 3,780
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability		$ 956
Rimports
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Contingent Consideration, Liability			$ (25,000)

Fair Value Measurement - Assets Measured on Nonrecurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment expense	$ 0	$ 8,864
Trade name \| Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment expense			$ 2,273
Trade name \| Carrying Value \| Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value			10,834
Trade name \| Fair Value \| Fair Value, Measurements, Nonrecurring \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value			0
Trade name \| Fair Value \| Fair Value, Measurements, Nonrecurring \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value			0
Trade name \| Fair Value \| Fair Value, Measurements, Nonrecurring \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value			10,834
Goodwill \| Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment expense			8,864
Goodwill \| Carrying Value \| Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value			26,903
Goodwill \| Fair Value \| Fair Value, Measurements, Nonrecurring \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value			0
Goodwill \| Fair Value \| Fair Value, Measurements, Nonrecurring \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value			0
Goodwill \| Fair Value \| Fair Value, Measurements, Nonrecurring \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value			26,903
Property, Plant and Equipment \| Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment expense			6,188
Property, Plant and Equipment \| Carrying Value \| Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value			41,024
Property, Plant and Equipment \| Fair Value \| Fair Value, Measurements, Nonrecurring \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value			0
Property, Plant and Equipment \| Fair Value \| Fair Value, Measurements, Nonrecurring \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value			0
Property, Plant and Equipment \| Fair Value \| Fair Value, Measurements, Nonrecurring \| Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value			$ 41,024

Fair Value Measurement - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt	$ 937,984	$ 590,032
Term Loan Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt	$ 558,551	$ 559,973

Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended							12 Months Ended
	Jan. 30, 2018	Oct. 30, 2017	Jun. 28, 2017	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2017	Apr. 26, 2018	Mar. 13, 2018	Jan. 25, 2018	Oct. 26, 2017	Jul. 27, 2017	Apr. 27, 2017	Jan. 26, 2017
Stockholders Equity [Line Items]
Trust shares, authorized (shares)				500,000,000	500,000,000						500,000,000
Preferred stock, authorized (shares)				50,000,000
Preferred Stock, Value, Issued				$ 0
Profit allocation payment from Equity Method Investment									$ 7,000
Trust shares, voting rights				One vote per share
Holding Event, anniversary since acquisition				5 years
Distribution declared per share												$ 0.36		$ 0.36	$ 0.36	$ 0.36	$ 0.36	$ 0.36
Distributions paid				$ 21,564	$ (21,564)	$ (21,564)	$ (21,564)	$ 21,564	$ (21,564)
Distribution To Shareholders				$ 21,564
Preferred Class B [Member]
Stockholders Equity [Line Items]
Preferred stock, authorized (shares)				4,000,000
Preferred Stock, Value, Issued				$ 96,713	0						$ 0
Preferred Stock, Redemption Price Per Share													$ 25.00
Series A Preferred Stock
Stockholders Equity [Line Items]
Preferred Stock, Liquidation Preference Per Share			$ 25.00
Proceeds from Issuance of Preferred Stock and Preference Stock			$ 100,000
Preferred Shares Redemption, Fundamental Change, Increase In Distribution Rate Per Annum Following Notice Period											5.00%
Preferred Stock, Cash Distributions Paid, Per Share	$ 453.12500000	$ 614.23611000
Preferred Class A [Member]
Stockholders Equity [Line Items]
Preferred stock, authorized (shares)				4,000,000
Preferred Stock, Value, Issued				$ 96,417	$ 96,417						$ 96,417
FOX
Stockholders Equity [Line Items]
Profit allocation payment from Equity Method Investment							$ 25,800	$ 13,400		$ 8,600
Minimum \| Series A Preferred Stock
Stockholders Equity [Line Items]
Preferred Stock, Redemption Price Per Share					$ 25.25						$ 25.25
Accumulated Deficit
Stockholders Equity [Line Items]
Distribution To Shareholders				21,564
Common Stock
Stockholders Equity [Line Items]
Stock Issued During Period, Shares, New Issues											96,400,000
Preferred Class B [Member]
Stockholders Equity [Line Items]
Stock Issued During Period, Shares, New Issues											96,700,000
Preferred Class A [Member]
Stockholders Equity [Line Items]
Distribution To Shareholders				1,813	$ 2,457
Preferred Class A [Member] \| Accumulated Deficit
Stockholders Equity [Line Items]
Distribution To Shareholders				$ (1,813)

Stockholders' Equity - Summary of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from continuing operations attributable to common shares of Holdings	$ (4,154)	$ (35,299)
Less: Profit Allocation paid to Holders	1,400	1,258
Less: Effect of contribution based profit - Holding Event	$ (5,554)	$ (36,557)
Basic and diluted weighted average shares outstanding (shares)	59,900	59,900
Continuing operations (usd per share)	$ (0.09)	$ (0.61)
Discontinued operations (usd per share)	0.00	0.01
Earnings Per Share, Basic and Diluted (usd per share)	$ 0	$ 0
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from continuing operations before income taxes	$ 0	$ 340
Income (loss) from discontinued operations, net of income tax	$ 0	$ 340

Warranties - Change in Carrying Value of Company's Warranty Liability (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]
Product Warranty Accrual, Beginning Balance	$ 2,197	$ 1,258
Accrual	602	1,982
Warranty payments	(888)	(1,552)
Product Warranty Accrual, Ending balance	1,911	2,197
Crosman
Schedule of Equity Method Investments [Line Items]
Other (1)	$ 0	$ 509

Noncontrolling Interest - Company's Ownership Percentage of its Majority Owned Operating Segments and Related Noncontrolling Interest (Detail) - USD ($)
$ in Thousands

Mar. 31, 2018

Dec. 31, 2017

$ 49,670

$ 52,791

Crosman

Crosman | % Ownership Primary

1,740

Crosman | % Ownership Fully Diluted

^[1]

98.80%

^[1]

89.20%

5.11 Tactical

5.11 Tactical | % Ownership Primary

8,535

$ 8,003

5.11 Tactical | % Ownership Fully Diluted

^[1]

97.50%

^[1]

85.50%

Ergobaby

Ergobaby | % Ownership Primary

23,518

$ 23,416

Ergobaby | % Ownership Fully Diluted

^[1]

82.70%

^[1]

76.60%

Liberty

Liberty | % Ownership Primary

$ 3,333

$ 3,254

Liberty | % Ownership Fully Diluted

^[1]

88.60%

^[1]

85.20%

84.70%

Manitoba Harvest

Manitoba Harvest | % Ownership Primary

$ 11,583

$ 11,725

Manitoba Harvest | % Ownership Fully Diluted

^[1]

76.60%

^[1]

67.00%

ACI

ACI | % Ownership Primary

$ (4,891)

$ (5,850)

ACI | % Ownership Fully Diluted

^[1]

69.40%

^[1]

69.20%

Arnold Magnetics

Arnold Magnetics | % Ownership Primary

$ 1,407

$ 1,368

Arnold Magnetics | % Ownership Fully Diluted

^[1]

96.70%

^[1]

79.90%

84.70%

Clean Earth

Clean Earth | % Ownership Primary

$ 7,687

$ 7,357

Clean Earth | % Ownership Fully Diluted

^[1]

97.50%

^[1]

79.80%

Foam Fabricators

Foam Fabricators | % Ownership Primary

$ 85

Foam Fabricators | % Ownership Fully Diluted

^[1]

100.00%

^[1]

91.50%

Sterno

Sterno | % Ownership Primary

$ (3,427)

$ 2,045

Sterno | % Ownership Fully Diluted

^[1]

100.00%

^[1]

88.50%

89.50%

Allocation Interests

Crosman | % Ownership Primary

$ 100

Noncontrolling Interest, Ownership Percentage by Parent

^[1]

98.80%

Crosman | % Ownership Fully Diluted

Noncontrolling Interest, Ownership Percentage by Parent

^[1]

89.20%

5.11 Tactical | % Ownership Primary

Noncontrolling Interest, Ownership Percentage by Parent

^[1]

97.50%

5.11 Tactical | % Ownership Fully Diluted

Noncontrolling Interest, Ownership Percentage by Parent

^[1]

85.40%

[1]	The principal difference between primary and diluted percentages of our operating segments is due to stock option issuances of operating segment stock to management of the respective businesses.

Noncontrolling Interest Noncontrolling Interest- Additional Information (Details) - USD ($)
$ in Thousands

3 Months Ended

Mar. 31, 2018

Dec. 31, 2017

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2016

Cash distributions funded by debt

$ (21,564)

Distributions paid

$ 21,564

$ (21,564)

$ 21,564

$ (21,564)

% Ownership Primary | ACI

% Ownership Primary | Liberty

^[1]

69.40%

% Ownership Fully Diluted | ACI

^[1]

88.60%

% Ownership Fully Diluted | Liberty

^[1]

69.20%

Ergobaby | % Ownership Primary

^[1]

85.20%

84.70%

Noncontrolling Interest, Ownership Percentage by Parent

^[1]

82.70%

Ergobaby | % Ownership Fully Diluted