Goodwill and Other Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross Amount	$ 2,195,125	$ 1,648,149
Intangible assets, Accumulated Amortization	1,091,366	980,128
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross Amount	1,872,348	1,421,962
Intangible assets, Accumulated Amortization	924,506	838,443
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross Amount	217,255	162,365
Intangible assets, Accumulated Amortization	99,906	100,000
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross Amount	105,522	63,822
Intangible assets, Accumulated Amortization	$ 66,954	$ 41,685