Goodwill and Other Intangibles - Schedule of Other Intangibles (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amounts	$ 3,611,446	$ 3,468,011
Accumulated Amortization	(1,345,872)	(1,352,129)
Net Carrying Amount	2,265,574	2,115,882
Trade names and trademarks—indefinite lived
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amounts	462,153	475,376
Net Carrying Amount	$ 462,153	475,376
Customer and vendor relationships
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	16 years 2 months 12 days
Gross Carrying Amounts	$ 2,770,777	2,671,104
Accumulated Amortization	(1,103,630)	(1,105,702)
Net Carrying Amount	$ 1,667,147	1,565,402
Trade names and trademarks—other
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	6 years 4 months 24 days
Gross Carrying Amounts	$ 12,202	7,041
Accumulated Amortization	(3,670)	(3,431)
Net Carrying Amount	$ 8,532	3,610
Software
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	5 years 7 months 6 days
Gross Carrying Amounts	$ 267,255	248,686
Accumulated Amortization	(191,874)	(194,187)
Net Carrying Amount	$ 75,381	54,499
Non-compete agreements
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	2 years 7 months 6 days
Gross Carrying Amounts	$ 99,059	65,804
Accumulated Amortization	(46,698)	(48,809)
Net Carrying Amount	$ 52,361	$ 16,995