Earnings Per Common Share (Reconciliation Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 27, 2021	Mar. 28, 2020	Mar. 30, 2019
Numerator for earnings per common share calculation:
Net income	$ 34,319	$ 58,024	$ 79,752
Less: Preferred stock dividends	(438)	(449)	(408)
Income available to common shareholders	$ 33,881	$ 57,575	$ 79,344
Denominator for earnings per common share calculation:
Weighted average common shares, basic	33,329	33,246	32,980
Effect of dilutive securities:
Preferred stock	503	510	510
Weighted average common shares - diluted	33,876	33,953	33,675
Basic earnings per common share:	$ 1.02	$ 1.73	$ 2.41
Diluted earnings per common share:	$ 1.01	$ 1.71	$ 2.37
Stock Options [Member]
Effect of dilutive securities:
Share based payment arrangements (in shares)	26	167	154
Restricted Stock [Member]
Effect of dilutive securities:
Share based payment arrangements (in shares)	18	30	31