Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amounts	$ 2,577,261	$ 2,578,337
Accumulated Amortization	(422,104)	(394,742)
Net Carrying Amount	2,155,157	2,183,595
Trade Names And Trademarks Indefinite Lived [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amounts	321,505	318,048
Accumulated Amortization	0	0
Net Carrying Amount	$ 321,505	318,048
Customer and Vendor Agreements [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	18 years 4 months 24 days
Gross Carrying Amounts	$ 2,072,522	2,071,928
Accumulated Amortization	(350,105)	(329,664)
Net Carrying Amount	$ 1,722,417	1,742,264
Trade Names and Trademarks [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	14 years 6 months
Gross Carrying Amounts	$ 2,865	3,067
Accumulated Amortization	(1,902)	(2,058)
Net Carrying Amount	$ 963	1,009
Software [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	5 years 1 month 6 days
Gross Carrying Amounts	$ 166,820	170,085
Accumulated Amortization	(61,046)	(54,250)
Net Carrying Amount	$ 105,774	115,835
Non-compete [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	4 years 10 months 24 days
Gross Carrying Amounts	$ 13,549	15,209
Accumulated Amortization	(9,051)	(8,770)
Net Carrying Amount	$ 4,498	$ 6,439