Note L - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans - Outstanding Stock Options (Details) (USD $)	12 Months Ended	0 Months Ended
	Mar. 29, 2015	Mar. 30, 2015
Options outstanding (in shares)	94,375
Options outstanding, weighted average exercise price (in dollars per share)	$ 36.90
Options outstanding, weighted average remaining contractual life	2 years 317 days
Options outstanding, aggregate intrinsic value	$ 3,460,000
Options exercisable (in shares)	0
Options exercisable, weighted average exercise price (in dollars per share)	$ 0
Options exercisable, weighted average remaining contractual life	0 years
Options exercisable, aggregate intrinsic value	0
Subsequent Event [Member]
Options outstanding (in shares)		142,964
Options outstanding, weighted average exercise price (in dollars per share)		$ 24.36
Options outstanding, weighted average remaining contractual life		2 years 317 days
Options outstanding, aggregate intrinsic value		3,460,000
Options exercisable (in shares)		0
Options exercisable, weighted average exercise price (in dollars per share)		$ 0
Options exercisable, weighted average remaining contractual life		0 years
Options exercisable, aggregate intrinsic value		$ 0