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		9 Months Ended
		Dec. 26, 2020	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019
Numerator for earnings per common share calculation:
Net income		$ 6,683	$ 18,880	$ 22,516	$ 61,800
Less: Preferred stock dividends	[1]	(112)	(112)	(337)	(337)
Income available to common shareholders		$ 6,571	$ 18,768	$ 22,179	$ 61,463
Denominator for earnings per common share calculation:
Weighted average common shares, basic		33,307	33,274	33,296	33,234
Effect of dilutive securities:
Preferred stock		510	510	510	510
Weighted average common shares, diluted		33,827	33,973	33,840	33,971
Basic earnings per common share:		$ 0.20	$ 0.56	$ 0.67	$ 1.85
Diluted earnings per common share:		$ 0.20	$ 0.56	$ 0.67	$ 1.82
Stock Options [Member]
Effect of dilutive securities:
Share based payment arrangements (in shares)			165	16	196
Restricted Stock [Member]
Effect of dilutive securities:
Share based payment arrangements (in shares)		10	24	18	31

[1] Declared quarterly dividend of $0.22 per common share or common share equivalent paid in each of the first, second and third quarter of fiscal 2021 and fiscal 2020.