Note 11 - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans (Details) - Outstanding Stock Options (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Mar. 25, 2012	Mar. 27, 2011
Outstanding Stock Options [Abstract]
Options outstanding at March 30, 2014	279,500	429,500	622,000	470,000
Options outstanding at March 30, 2014	$ 15.22	$ 13.29	$ 13.21	$ 11.29
Options outstanding at March 30, 2014	2 years 25 days
Options outstanding at March 30, 2014	$ 9,381
Options exercisable at March 30, 2014	190,750	296,375	444,500
Options exercisable at March 30, 2014	$ 14.04	$ 11.29	$ 11.40
Options exercisable at March 30, 2014	2 years 7 days
Options exercisable at March 30, 2014	$ 6,627