Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets
Gross carrying Amount	$ 829,714	$ 783,427
Accumulated amortization	494,601	445,795
Net carrying value	$ 335,113	$ 337,632
Weighted average life in years	10 years 3 months 18 days	10 years 1 month 6 days
Developed Technology
Finite-Lived Intangible Assets
Gross carrying Amount	$ 293,982	$ 283,272
Accumulated amortization	232,722	221,651
Net carrying value	$ 61,260	$ 61,621
Weighted average life in years	7 years 2 months 12 days	7 years 1 month 6 days
Trademarks and Trade names
Finite-Lived Intangible Assets
Gross carrying Amount	$ 33,553	$ 30,100
Accumulated amortization	20,340	18,374
Net carrying value	$ 13,213	$ 11,726
Weighted average life in years	10 years 7 months 6 days	10 years 1 month 6 days
Customer Relationships
Finite-Lived Intangible Assets
Gross carrying Amount	$ 481,674	$ 449,659
Accumulated amortization	227,350	193,313
Net carrying value	$ 254,324	$ 256,346
Weighted average life in years	12 years 4 months 24 days	12 years 2 months 12 days
Other
Finite-Lived Intangible Assets
Gross carrying Amount	$ 20,505	$ 20,396
Accumulated amortization	14,189	12,457
Net carrying value	$ 6,316	$ 7,939
Weighted average life in years	6 years 7 months 6 days	6 years 7 months 6 days