Note 11 - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans (Detail) - A summary of the status of the Company’s stock options (USD $)	12 Months Ended
	Mar. 31, 2013	Mar. 25, 2012	Mar. 27, 2011
Shares	429,500
Weighted-Average Exercise Price (in Dollars per share)	$ 13.29
Options exercisable - end of year	296,375	444,500	415,500
Options exercisable - end of year (in Dollars per share)	$ 11.29	$ 11.40	$ 10.90
Weighted-average fair value of options granted	0	177,500	0
Weighted-average fair value of options granted (in Dollars per share)		$ 5.039
Granted	0	177,500	0
Granted (in Dollars per share)	$ 0	$ 17.75	$ 0
Expired	0	0	0
Expired (in Dollars per share)	$ 0	$ 0	$ 0
Exercised	(192,500)	(25,500)	(64,750)
Exercised (in Dollars per share)	$ 13.04	$ 9.36	$ 3.22
Beginning of Year [Member]
Shares	622,000	470,000	534,750
Weighted-Average Exercise Price (in Dollars per share)	$ 13.21	$ 11.29	$ 10.31
End of Year [Member]
Shares	429,500	622,000	470,000
Weighted-Average Exercise Price (in Dollars per share)	$ 13.29	$ 13.21	$ 11.29