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Long Term Debt Summary (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 30, 2013
Dec. 31, 2012
Long Term Debt [Line Items]    
Total Debt $ 358,234 $ 365,744
Less Current Portion 3,038 3,042
Total Long-Term Debt 355,196 362,702
Weighted-average interest rate 7.54% 7.82%
Senior Unsecured Notes
   
Long Term Debt [Line Items]    
Long-Term Debt 200,000 200,000
Senior Secured Term Loan
   
Long Term Debt [Line Items]    
Long-Term Debt 155,125 162,625
Promissory note and Other Debt
   
Long Term Debt [Line Items]    
Long-Term Debt $ 3,109 $ 3,119