Components of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Schedule of Intangible Assets Disclosure [Line Items]
Goodwill, Gross	$ 18,515	$ 5,085
Goodwill, Accumulated Amortization	0	0
Goodwill, Net	18,515	5,085
Indefinite-Lived Trade Names, Gross	18,364	18,364
Indefinite-Lived Trade Names, Accumulated Amortization
Indefinite-Lived Trade Names, Net	18,364	18,364
Intangible Assets, Gross (Including Goodwill)	127,135	68,342
Finite-Lived Intangible Assets, Accumulated Amortization	(16,335)	(13,193)
Intangible Assets, Net (Including Goodwill)	110,800	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	(7,776)	(7,551)
Finite-Lived Intangible Assets, Net	8,071	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	(3,514)	(2,677)
Finite-Lived Intangible Assets, Net	18,870	7,379
Customer Relationships
Schedule of Intangible Assets Disclosure [Line Items]
Finite-Lived Intangible Assets, Gross	50,823	18,406
Finite-Lived Intangible Assets, Accumulated Amortization	(4,716)	(2,736)
Finite-Lived Intangible Assets, Net	46,107	15,670
Patents
Schedule of Intangible Assets Disclosure [Line Items]
Finite-Lived Intangible Assets, Gross	1,202	584
Finite-Lived Intangible Assets, Accumulated Amortization	(329)	(229)
Finite-Lived Intangible Assets, Net	$ 873	$ 355