Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Common Stock Repurchases (Details Textual)

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Note 9 - Common Stock Repurchases (Details Textual) - USD ($)
shares in Millions, $ in Millions
9 Months Ended 112 Months Ended
Jan. 01, 2017
Jan. 01, 2017
Jul. 09, 2013
Aug. 28, 2007
Stock Repurchased During Period, Shares 11.1      
Stock, Repurchased and Retired, Balance Value   $ 105.2    
August 2007 Repurchase Plan [Member]        
Stock Repurchase Program, Authorized Amount       $ 100.0
July 2013 Repurchase Program [Member]        
Stock Repurchase Program, Authorized Amount     $ 50.0