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Components of Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Schedule of Intangible Assets Disclosure [Line Items]    
Goodwill, Gross $ 18,515 $ 5,085
Goodwill, Accumulated Amortization      
Goodwill, Net 18,515 5,085
Indefinite-Lived Trade Names, Gross 14,980 18,364
Indefinite-Lived Trade Names, Accumulated Amortization      
Indefinite-Lived Trade Names, Net 14,980 18,364
Intangible Assets, Gross (Including Goodwill) 123,569 68,342
Finite-Lived Intangible Assets, Accumulated Amortization (17,929) (13,193)
Intangible Assets, Net (Including Goodwill) 105,640 55,149
License
    
Schedule of Intangible Assets Disclosure [Line Items]    
Finite-Lived Intangible Assets, Gross 15,847 15,847
Finite-Lived Intangible Assets, Accumulated Amortization (7,893) (7,551)
Finite-Lived Intangible Assets, Net 7,954 8,296
Trade Names
    
Schedule of Intangible Assets Disclosure [Line Items]    
Finite-Lived Intangible Assets, Gross 22,384 10,056
Finite-Lived Intangible Assets, Accumulated Amortization (3,939) (2,677)
Finite-Lived Intangible Assets, Net 18,445 7,379
Customer Relationships
    
Schedule of Intangible Assets Disclosure [Line Items]    
Finite-Lived Intangible Assets, Gross 50,641 18,406
Finite-Lived Intangible Assets, Accumulated Amortization (5,717) (2,736)
Finite-Lived Intangible Assets, Net 44,924 15,670
Other
    
Schedule of Intangible Assets Disclosure [Line Items]    
Finite-Lived Intangible Assets, Gross 1,202 584
Finite-Lived Intangible Assets, Accumulated Amortization (380) (229)
Finite-Lived Intangible Assets, Net $ 822 $ 355