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Note 13 - Taxes on Income (Details) - Income Tax Expense (Benefit) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Jan. 01, 2012
Continuing Operations [Member]
      
Note 13 - Taxes on Income (Details) - Income Tax Expense (Benefit) [Line Items]      
Income tax expense (benefit) $ 20,749 $ 15,204 $ 20,640
Discontinued Operations [Member]
      
Note 13 - Taxes on Income (Details) - Income Tax Expense (Benefit) [Line Items]      
Income tax expense (benefit) 0 (9,164) 243
Continuing and Discontinued Operations [Member]
      
Note 13 - Taxes on Income (Details) - Income Tax Expense (Benefit) [Line Items]      
Income tax expense (benefit) $ 20,749 $ 6,040 $ 20,883