Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amounts	$ 3,223,596	$ 3,209,609
Accumulated Amortization	(661,270)	(556,376)
Net Carrying Amount	2,562,326	2,653,233
Trade names and trademarks—indefinite lived
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amounts	510,314	510,952
Accumulated Amortization	0	0
Net Carrying Amount	$ 510,314	510,952
Customer and vendor agreements
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	17 years
Gross Carrying Amounts	$ 2,462,866	2,449,389
Accumulated Amortization	(539,965)	(458,118)
Net Carrying Amount	$ 1,922,901	1,991,271
Trade names and trademarks—other
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	14 years 7 months 6 days
Gross Carrying Amounts	$ 2,797	2,746
Accumulated Amortization	(2,093)	(2,021)
Net Carrying Amount	$ 704	725
Software
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	5 years 3 months 18 days
Gross Carrying Amounts	$ 211,712	211,331
Accumulated Amortization	(104,710)	(85,167)
Net Carrying Amount	$ 107,002	126,164
Non-compete agreements
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	4 years 10 months 24 days
Gross Carrying Amounts	$ 35,907	35,191
Accumulated Amortization	(14,502)	(11,070)
Net Carrying Amount	$ 21,405	$ 24,121