Note 12 - Repurchase of Common Stock (Details Textual) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Jul. 02, 2017	Apr. 02, 2017	Jul. 03, 2016	Dec. 28, 2014
Stock Repurchase Program, Number of Shares Authorized to be Repurchased				500,000
Stock Repurchase Program, Authorized Amount	$ 100		$ 50
Treasury Stock, Shares, Acquired	1,244,735	1,601,896
Treasury Stock, Shares, Retired	1,244,735	1,601,896
Treasury Stock Acquired, Average Cost Per Share	$ 19.74	$ 19.36