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Debt - Fair Value of Senior Secured Notes Based on Quoted Market Prices (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Carrying amount, net	$ 209,655	$ 209,619
Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
Carrying amount, net	210,000	210,000
Fair value	$ 228,375	$ 228,375

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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