Note L - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans - Outstanding Stock Options (Details) (Parentheticals) (USD $)	12 Months Ended	0 Months Ended
	Mar. 29, 2015	Mar. 30, 2015
Exercise price range, lower limit (in dollars per share)	$ 17.75
Exercise price range, upper limit (in dollars per share)	$ 53.89
Subsequent Event [Member]
Exercise price range, lower limit (in dollars per share)		$ 11.72
Exercise price range, upper limit (in dollars per share)		$ 35.576