Note 9 - Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Aug. 30, 2015	Jan. 08, 2015	Jan. 07, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	2,500
Proceeds from Stock Options Exercised	$ 50
Allocated Share-based Compensation Expense	841
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	$ 891
Stock Repurchase Program, Number of Shares Authorized to be Repurchased		1,250,000
Stock Repurchase Program, Percentage of Outstanding Shares Authorized to be Repurchased			6.00%
Common Stock, Shares, Outstanding			20,945,634
Treasury Stock, Shares, Acquired	581,032
Treasury Stock Acquired, Average Cost Per Share	$ 20.52
Treasury Stock, Value, Acquired, Cost Method	$ 11,936
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	550,212
Treasury Stock, Shares, Retired	444,834