Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Acquired Finite-Lived Intangible Assets [Line Items]
Gross amount	$ 1,176,025	$ 1,175,120
Accumulated amortization	(685,837)	(657,050)
Net carrying amount	490,188	518,070
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross amount	563,127	568,284
Accumulated amortization	(357,752)	(340,952)
Net carrying amount	$ 205,375	$ 227,332
Customer relationships | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life in years	8 years	8 years
Customer relationships | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life in years	20 years	20 years
Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Gross amount	$ 92,535	$ 94,203
Accumulated amortization	(44,085)	(41,319)
Net carrying amount	$ 48,450	$ 52,884
Trademarks | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life in years	10 years	1 year
Trademarks | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life in years	15 years	15 years
Software packages
Acquired Finite-Lived Intangible Assets [Line Items]
Gross amount	$ 518,676	$ 510,898
Accumulated amortization	(283,751)	(274,610)
Net carrying amount	$ 234,925	$ 236,288
Software packages | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life in years	3 years	3 years
Software packages | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life in years	10 years	10 years
Non-compete agreement
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life in years	5 years	5 years
Gross amount	$ 1,687	$ 1,735
Accumulated amortization	(249)	(169)
Net carrying amount	$ 1,438	$ 1,566