Note 9. Debt (Details) - Debt (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 30, 2012
Debt obligations:    
Term Loan $ 214,489 $ 216,295
Senior Unsecured Notes 200,000 200,000
Total debt 414,489 416,295
Less: current portion 4,887 5,382
Long-term debt $ 409,602 $ 410,913