Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amounts	$ 2,573,094	$ 2,578,337
Accumulated Amortization	(460,856)	(394,742)
Net Carrying Amount	2,112,238	2,183,595
Trade Names And Trademarks Indefinite Lived [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amounts	321,342	318,048
Accumulated Amortization	0	0
Net Carrying Amount	$ 321,342	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	$ 2,067,293	2,071,928
Accumulated Amortization	(380,353)	(329,664)
Net Carrying Amount	$ 1,686,940	1,742,264
Trade Names and Trademarks [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	14 years 7 months 6 days
Gross Carrying Amounts	$ 2,815	3,067
Accumulated Amortization	(1,947)	(2,058)
Net Carrying Amount	$ 868	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	$ 167,641	170,085
Accumulated Amortization	(68,953)	(54,250)
Net Carrying Amount	$ 98,688	115,835
Non-compete [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Weighted- Avg Useful Lives (Years)	5 years
Gross Carrying Amounts	$ 14,003	15,209
Accumulated Amortization	(9,603)	(8,770)
Net Carrying Amount	$ 4,400	$ 6,439