Note 9 - Financing Arrangements (Details) - Debt (USD $)
In Thousands, unless otherwise specified
Sep. 28, 2014
Dec. 29, 2013
Sep. 29, 2013
Note 9 - Financing Arrangements (Details) - Debt [Line Items]      
Term Loan $ 294,334 $ 296,135  
Total debt 409,569 501,932  
Less: current portion 22,285 97,320  
Long-term debt 387,284 404,612  
Senior Convertible Notes [Member]
     
Note 9 - Financing Arrangements (Details) - Debt [Line Items]      
Senior notes 115,235 111,733 110,609
Senior Unsecured Notes [Member]
     
Note 9 - Financing Arrangements (Details) - Debt [Line Items]      
Senior notes   $ 94,064