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Note 6 - Other Expense, Net (Details) - Other Expense (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 30, 2014
Mar. 31, 2013
Other Expense [Abstract]    
Interest income $ 0.1 $ 0.1
Interest expense (0.6) (0.7)
Foreign exchange losses (0.8) (0.1)
Net loss on equity investment (0.4) (0.3)
Other expense, net $ (1.7) $ (1.0)