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Note 2 - Recent Accounting Pronouncements (Details Textual) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 02, 2017 | Jan. 01, 2017
Scenario, Forecast [Member] | Reclassification of Tax Withholdings from Cash from Operating Activities to Cash from Financing Activities [Member] | April 3, 2016 [Member] |  |
Prior Period Reclassification Adjustment | $ 5.0 |
Reclassification from Current Deferred Tax Assets to Noncurrent Deferred Tax Assets [Member] | Pro Forma [Member] |  |
Current Period Reclassification Adjustment |  | $ 10.0
Reclassification from Current Deferred Tax Assets and Noncurrent Deferred Tax Liabilities to Noncurrent Deferred Tax Assets [Member] | Pro Forma [Member] |  |
Current Period Reclassification Adjustment |  | 6.0
Rreclassification from Noncurrent Deferred Tax Liabilities to Noncurrent Deferred Tax Assets [Member] | Pro Forma [Member] |  |
Current Period Reclassification Adjustment |  | 4.0
Reclassification from Tax Benefits and Tax Deficiencies in Additional Paid-in Capital to Deferred Tax Assets [Member] | Pro Forma [Member] |  |
Current Period Reclassification Adjustment |  | $ 5.8

X
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