Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Summary of Long-Term Debt (Detail)

v2.4.0.6
Long-Term Debt - Summary of Long-Term Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Debt Instrument [Line Items]    
Long-term debt gross $ 584,933 $ 518,132
Less: amounts due in one year 819 31
Long-term debt 245 103
Revolving Credit Facility [Member]
   
Debt Instrument [Line Items]    
Long-term debt gross      
Term Loan B [Member]
   
Debt Instrument [Line Items]    
Long-term debt gross 310,927 313,750
10.875% Senior Notes [Member]
   
Debt Instrument [Line Items]    
Long-term debt gross 272,942 204,248
Capital Lease [Member]
   
Debt Instrument [Line Items]    
Long-term debt gross $ 1,064 $ 134