Components of Other Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Intangible Assets by Major Class [Line Items]
Definite-lived intangibles, gross amount	$ 211,474	$ 216,875
Intangibles, gross amount	243,614	249,015
Definite-lived intangibles, accumulated amortization	(48,527)	(37,245)
Intangibles, accumulated amortization	(48,527)	(37,245)
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	196,856	201,886
Definite-lived intangibles, accumulated amortization	(42,099)	(31,467)
Other definite-lived intangibles [Member]
Intangible Assets by Major Class [Line Items]
Definite-lived intangibles, gross amount	14,618	14,989
Definite-lived intangibles, accumulated amortization	$ (6,428)	$ (5,778)