Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amounts	$ 1,028,023	$ 1,020,117
Accumulated Amortization	(167,125)	(148,854)
Net Carrying Amount	860,898	871,263
Customer and Vendor Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amounts	853,633	850,809
Accumulated Amortization	(150,001)	(134,998)
Net Carrying Amount	703,632	715,811
Customer and Vendor Agreements [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Lives (Years)	3 years	3 years
Customer and Vendor Agreements [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Lives (Years)	20 years	20 years
Trade Names and Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amounts	100,559	99,690
Accumulated Amortization
Net Carrying Amount	100,559	99,690
Trade Names and Trademarks-Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amounts	3,355	3,341
Accumulated Amortization	(1,688)	(1,635)
Net Carrying Amount	1,667	1,706
Trade Names and Trademarks-Other [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Lives (Years)	3 years	3 years
Trade Names and Trademarks-Other [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Lives (Years)	15 years	15 years
Software [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amounts	52,049	47,778
Accumulated Amortization	(11,561)	(9,090)
Net Carrying Amount	40,488	38,688
Software [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Lives (Years)	3 years	3 years
Software [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Lives (Years)	10 years	10 years
Non-compete [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amounts	18,427	18,499
Accumulated Amortization	(3,875)	(3,131)
Net Carrying Amount	$ 14,552	$ 15,368
Non-compete [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Lives (Years)	2 years	2 years
Non-compete [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Lives (Years)	5 years	5 years