Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amounts	$ 2,625,581	$ 2,672,369
Accumulated Amortization	(355,057)	(235,002)
Net Carrying Amount	2,270,524	2,437,367
Trade Names And Trademarks Indefinite Lived [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amounts	332,296	337,467
Net Carrying Amount	$ 332,296	337,467
Customer and Vendor Agreements [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Useful Lives (Years)	17 years 1 month 6 days
Gross Carrying Amounts	$ 2,102,994	2,139,339
Accumulated Amortization	(298,699)	(205,365)
Net Carrying Amount	$ 1,804,295	1,933,974
Trade Names and Trademarks [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Useful Lives (Years)	14 years 6 months
Gross Carrying Amounts	$ 3,303	3,332
Accumulated Amortization	(2,006)	(1,847)
Net Carrying Amount	$ 1,297	1,485
Software [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Useful Lives (Years)	5 years 1 month 6 days
Gross Carrying Amounts	$ 172,140	174,507
Accumulated Amortization	(46,100)	(21,511)
Net Carrying Amount	$ 126,040	152,996
Non-compete [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Useful Lives (Years)	6 years
Gross Carrying Amounts	$ 14,848	17,724
Accumulated Amortization	(8,252)	(6,279)
Net Carrying Amount	$ 6,596	$ 11,445