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Long-Term Obligations - Long-Term Obligations (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Aug. 30, 2013
Dec. 31, 2012
Debt Instrument [Line Items]      
Obligations under capital leases and other      $ 101
Subtotal      127,783
Original issue discount on Senior Secured Notes      (671)
Subtotal      127,112
Less: Current portion of long-term obligations      (66)
Total long-term obligations      127,046
13% Senior Secured Notes Due 2016 [Member]
     
Debt Instrument [Line Items]      
Senior Secured Notes 0   2,403
10% Senior Secured Notes Due 2017 [Member]
     
Debt Instrument [Line Items]      
Senior Secured Notes 0   12,692
Original issue discount on Senior Secured Notes   (100)  
10% Senior Secured Exchange Notes Due 2017 [Member]
     
Debt Instrument [Line Items]      
Senior Secured Notes 0   112,587
Original issue discount on Senior Secured Notes   $ (500)