Components of Other Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Intangible Assets by Major Class [Line Items]
Definite-lived intangibles, gross amount	$ 222,364	$ 154,842
Intangibles, gross amount	254,504	186,982
Definite-lived intangibles, accumulated amortization	(25,338)	(15,065)
Intangibles, accumulated amortization	(25,338)	(15,065)
Trade names [Member]
Intangible Assets by Major Class [Line Items]
Indefinite-lived intangibles, gross amount	32,140	32,140
Customer relationships [Member]
Intangible Assets by Major Class [Line Items]
Definite-lived intangibles, gross amount	206,855	139,506
Definite-lived intangibles, accumulated amortization	(21,861)	(13,663)
Other definite-lived intangibles [Member]
Intangible Assets by Major Class [Line Items]
Definite-lived intangibles, gross amount	15,509	15,336
Definite-lived intangibles, accumulated amortization	$ (3,477)	$ (1,402)