Earnings Per Common Share (Reconciliation Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 25, 2021	Sep. 26, 2020	Sep. 25, 2021	Sep. 26, 2020
Numerator for earnings per common share calculation:
Net income	$ 20,985	$ 12,846	$ 36,666	$ 15,833
Less: Preferred stock dividends	(120)	(112)	(230)	(224)
Income available to common shareholders	$ 20,865	$ 12,734	$ 36,436	$ 15,609
Denominator for earnings per common share calculation:
Weighted average common shares - basic	33,523	33,297	33,510	33,291
Effect of dilutive securities:
Preferred stock	460	510	460	510
Weighted average common shares - diluted	34,027	33,849	34,026	33,851
Basic earnings per common share	$ 0.62	$ 0.38	$ 1.09	$ 0.47
Diluted earnings per common share	$ 0.62	$ 0.38	$ 1.08	$ 0.47
Stock Options [Member]
Effect of dilutive securities:
Share based payment arrangements (in shares)	13	26	21	28
Restricted Stock [Member]
Effect of dilutive securities:
Share based payment arrangements (in shares)	31	16	35	22