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. 28, 2019	Dec. 29, 2018	Dec. 28, 2019	Dec. 29, 2018
Numerator for earnings per common share calculation:
Net income	$ 18,880	$ 20,531	$ 61,800	$ 62,936
Less: Preferred stock dividends	(112)	(102)	(337)	(306)
Income available to common shareholders	$ 18,768	$ 20,429	$ 61,463	$ 62,630
Denominator for earnings per common share calculation:
Weighted average common shares, basic	33,274	33,032	33,234	32,932
Effect of dilutive securities:
Preferred stock	510	510	510	510
Weighted average common shares, diluted	33,973	33,766	33,971	33,605
Basic earnings per common share:	$ 0.56	$ 0.62	$ 1.85	$ 1.90
Diluted earnings per common share:	$ 0.56	$ 0.61	$ 1.82	$ 1.87
Stock Options [Member]
Effect of dilutive securities:
Share based payment arrangements (in shares)	165	195	196	134
Restricted Stock [Member]
Effect of dilutive securities:
Share based payment arrangements (in shares)	24	29	31	29