Acquisitions, Goodwill, and Other Intangible Assets, Net - Rollforward of Other Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Other Intangible Assets [Line Items]
Other intangible assets, gross		$ 1,404,900
Accumulated amortization		(458,600)
Other Intangible Assets [Rollforward]
Other intangible assets, net, beginning balance	$ 946,299
Additions from new business combinations	1,300
Currency translation adjustments	(0)
Amortization expense	(126,300)
Other intangible assets, net, ending balance	821,329
Customer Relationships and Backlog
Other Intangible Assets [Line Items]
Other intangible assets, gross		1,089,400
Accumulated amortization		(388,800)
Other Intangible Assets [Rollforward]
Other intangible assets, net, beginning balance	700,600
Additions from new business combinations	1,200
Currency translation adjustments	0
Amortization expense	(104,500)
Other intangible assets, net, ending balance	597,300
Trade Names
Other Intangible Assets [Line Items]
Other intangible assets, gross		228,900
Accumulated amortization		(28,900)
Other Intangible Assets [Rollforward]
Other intangible assets, net, beginning balance	200,000
Additions from new business combinations	100
Currency translation adjustments	0
Amortization expense	(15,600)
Other intangible assets, net, ending balance	184,500
Other
Other Intangible Assets [Line Items]
Other intangible assets, gross		86,600
Accumulated amortization		(40,900)
Other Intangible Assets [Rollforward]
Other intangible assets, net, beginning balance	45,700
Additions from new business combinations	0
Currency translation adjustments	(0)
Amortization expense	(6,200)
Other intangible assets, net, ending balance	39,500
Trade Names
Other Intangible Assets [Rollforward]
Other intangible assets, non-amortizing	$ 34,500	$ 34,500