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Note 8 - Supplemental Cash Flow Information (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Apr. 05, 2015
Mar. 30, 2014
Supplemental Cash Flow Elements [Abstract]    
Interest Paid, Net $ 1.6us-gaap_InterestPaidNet $ 0.3us-gaap_InterestPaidNet
Income Taxes Paid, Net $ 1.7us-gaap_IncomeTaxesPaidNet $ 2.9us-gaap_IncomeTaxesPaidNet