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Note 1 - Basis of Preparation (Details Textual) $ in Millions	3 Months Ended
	Apr. 02, 2016 USD ($)
Restatement Adjustment [Member]
Increase Decrease In Equity Components	$ 4.4
Reclassification of Total Current Assets to Noncurrent Deferred Tax Assets [Member] | April 4, 2015 [Member]
Prior Period Reclassification Adjustment	(1.8)
Reclassification of Noncurrent Deferred Tax Assets from Total Current Assets and Noncurrent Other Assets, Net [Member]
Prior Period Reclassification Adjustment	2.8
Reclassification of Noncurrent Other Assets, Net to Noncurrent Deferred Tax Assets [Member] | April 4, 2015 [Member]
Prior Period Reclassification Adjustment	$ (1.0)

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