Operating Segment Data - Additional Information (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) ft² Segment Clients Facility	Mar. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Depreciation and Amortization Expense	$ 22,331	$ 22,665
Number of reportable operating segments | Segment	8
Liberty
Segment Reporting Information [Line Items]
Manufacturing facility area (in square feet) | ft²	300,000
Arnold | Minimum
Segment Reporting Information [Line Items]
Number of clients | Clients	2,000
Foam
Segment Reporting Information [Line Items]
Number Of Manufacturing Facilities | Facility	13
Outside of the United States | Ergobaby
Segment Reporting Information [Line Items]
Concentration risk, percentage	50.00%
Operating Segments
Segment Reporting Information [Line Items]
Depreciation and Amortization Expense	$ 21,806	21,586
Operating Segments | 5.11
Segment Reporting Information [Line Items]
Depreciation and Amortization Expense	5,152	5,157
Operating Segments | Ergobaby
Segment Reporting Information [Line Items]
Depreciation and Amortization Expense	2,053	2,111
Operating Segments | Liberty
Segment Reporting Information [Line Items]
Depreciation and Amortization Expense	406	407
Operating Segments | Velocity
Segment Reporting Information [Line Items]
Depreciation and Amortization Expense	3,247	3,251
Operating Segments | ACI
Segment Reporting Information [Line Items]
Depreciation and Amortization Expense	646	669
Operating Segments | Arnold
Segment Reporting Information [Line Items]
Depreciation and Amortization Expense	1,631	1,622
Operating Segments | Foam
Segment Reporting Information [Line Items]
Depreciation and Amortization Expense	3,047	2,997
Operating Segments | Sterno
Segment Reporting Information [Line Items]
Depreciation and Amortization Expense	$ 5,624	$ 5,372