Segment Information - Schedule Of Reportable Segment Information (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenues	$ 388,248	$ 304,392	$ 314,438	$ 341,145	$ 375,254	$ 351,014	$ 349,675	$ 326,038	$ 1,348,223	$ 1,401,981	$ 1,358,104
Operating income									166,851	186,230	173,479
Restructuring charges (Note 2)									27,381	13,846	13,247
Currency exchange losses, net (Note 5)									8,578	19,814	2,330
Product Liability Expense									39,036	26,619	45,327
Strategic transaction costs (Note 13)									717	4,400	421
COVID-19 related costs									757
Adjusted operating income (loss)									243,320	250,909	234,804
Depreciation and amortization									39,674	38,020	37,852
Adjusted EBITDA									282,994	288,929	272,656
Pension expense									(9,023)	(933)	(5,901)
Total Assets	1,872,484				1,739,693				1,872,484	1,739,693	1,608,012
Capital expenditures									48,905	36,604	33,960
Americas
Segment Reporting Information [Line Items]
Revenues									874,305	915,118	854,287
Corporate
Segment Reporting Information [Line Items]
Revenues									0	0	0
Restructuring charges (Note 2)										600	5,300
Adjusted operating income (loss)									(28,080)	(35,597)	(31,901)
Depreciation and amortization									391	391	406
Adjusted EBITDA									(27,689)	(35,206)	(31,495)
Pension expense									0	0	0
Total Assets	29,761				22,367				29,761	22,367	10,842
Capital expenditures									0	0	0
Operating Segments | Americas
Segment Reporting Information [Line Items]
Revenues									874,305	915,118	854,287
Adjusted operating income (loss)									$ 200,536	$ 226,596	$ 206,839
Adjusted operating margin %									22.90%	24.80%	24.20%
Depreciation and amortization									$ 26,762	$ 24,691	$ 24,143
Adjusted EBITDA									$ 227,298	$ 251,287	$ 230,982
Adjusted EBITDA, Percentage									26.00%	27.50%	27.00%
Pension expense									$ 910	$ 6,111	$ (1,201)
Total Assets	1,228,739				1,131,911				1,228,739	1,131,911	1,077,938
Capital expenditures									43,181	26,823	25,001
Operating Segments | International
Segment Reporting Information [Line Items]
Revenues									473,918	486,863	503,817
Adjusted operating income (loss)									$ 70,864	$ 59,910	$ 59,866
Adjusted operating margin %									15.00%	12.30%	11.90%
Depreciation and amortization									$ 12,521	$ 12,938	$ 13,303
Adjusted EBITDA									$ 83,385	$ 72,848	$ 73,169
Adjusted EBITDA, Percentage									17.60%	15.00%	14.50%
Pension expense									$ (8,113)	$ (7,044)	$ (7,102)
Total Assets	615,114				584,195				615,114	584,195	522,042
Capital expenditures									5,724	9,781	8,959
Reconciling Items
Segment Reporting Information [Line Items]
Revenues									0	0	0
Adjusted operating income (loss)									0	0	0
Depreciation and amortization									0	0	0
Adjusted EBITDA									0	0	0
Pension expense									0	0	0
Total Assets	$ (1,130)				$ 1,220				(1,130)	1,220	(2,810)
Capital expenditures									$ 0	$ 0	$ 0