Note 11 - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans (Detail) - Outstanding stock options (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 25, 2012	Mar. 27, 2011
Options outstanding at March 31, 2013	429,500
Options outstanding at March 31, 2013 (in Dollars per share)	$ 13.29
Options outstanding at March 31, 2013	2 years 266 days
Options outstanding at March 31, 2013 (in Dollars)	$ 12,437
Options exercisable at March 31, 2013	296,375	444,500	415,500
Options exercisable at March 31, 2013 (in Dollars per share)	$ 11.29	$ 11.40	$ 10.90
Options exercisable at March 31, 2013	2 years 193 days
Options exercisable at March 31, 2013 (in Dollars)	$ 9,175