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Note 13 - Severance (Details) - Accrued Severance (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Mar. 30, 2013
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Employee Severance [Member]
Sep. 28, 2013
Employee Severance [Member]
Note 13 - Severance (Details) - Accrued Severance [Line Items]          
Beginning of period $ 15,495 $ 15,495   $ 78 $ 243
Costs charged to expense 700 900   27 922
Costs paid or settled   (415) 990 (78) (1,138)
End of period   $ 6,975   $ 27 $ 27