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Note 5 - Goodwill and Other Intangible Assets (Details Textual) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 28, 2014
Sep. 30, 2015
Sep. 28, 2014
Amortization of Intangible Assets $ 1.1 $ 0.1 $ 1.2 $ 0.1