Quarterly report pursuant to Section 13 or 15(d)

Deferred Financing Costs - Additional Information (Detail)

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Deferred Financing Costs - Additional Information (Detail) (USD $)
1 Months Ended 3 Months Ended
Mar. 14, 2013
Dec. 12, 2012
Jun. 01, 2012
Mar. 31, 2013
Dec. 12, 2011
Sep. 06, 2011
Jun. 01, 2011
Dec. 01, 2010
Jun. 01, 2010
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]                  
Unamortized bank loan fees $ 33,000     $ (27,721,000)          
Term Loan B
                 
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]                  
senior secured credit facility 300,000,000     300,000,000          
Revolver
                 
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]                  
senior secured credit facility 25,000,000                
9 5/8% Senior Secured Second Lien Notes
                 
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]                  
Bond issue costs 2,867,000 57,000 287,000   337,000 135,000 472,000 334,000 417,000
Unamortized bank loan fees $ 26,900,000 $ 200,000 $ 900,000 $ 800,000          
Minimum
                 
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]                  
Deferred financing costs amortization period       5 years          
Maximum
                 
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]                  
Deferred financing costs amortization period       7 years