Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Long-Term Debt Schedule (Detail)

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Long-Term Debt - Long-Term Debt Schedule (Detail) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Debt Disclosure [Abstract]    
Borrowings under the senior secured credit facility $ 487,500,000 $ 202,000,000
Capital leases 100,000 1,400,000
Other debt   200,000
Total 487,600,000 203,600,000
Less: current portion 56,302,000 1,542,000
Long-term portion $ 431,305,000 $ 202,079,000