Note 11 - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans (Details) - A Summary of the Status of the Company’s Stock Options (USD $)	12 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Mar. 25, 2012
A Summary of the Status of the Company’s Stock Options [Abstract]
Options outstanding – beginning of year	429,500	622,000	470,000
Options outstanding – beginning of year	$ 13.29	$ 13.21	$ 11.29
Granted	0	0	177,500
Granted	$ 0	$ 0	$ 17.75
Expired	0	0	0
Expired	$ 0	$ 0	$ 0
Exercised	(150,000)	(192,500)	(25,500)
Exercised	$ 9.71	$ 13.04	$ 9.36
Options outstanding - end of year	279,500	429,500	622,000
Options outstanding - end of year	$ 15.22	$ 13.29	$ 13.21
Options exercisable - end of year	190,750	296,375	444,500
Options exercisable - end of year	$ 14.04	$ 11.29	$ 11.40
Weighted-average fair value of options granted	0	0	177,500
Weighted-average fair value of options granted			$ 5.039