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Components of Other Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
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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)

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