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
	Jun. 24, 2017		Jun. 25, 2016
Numerator for earnings per common share calculation:
Net income	$ 17,585		$ 16,755
Preferred stock dividends	(92)	[1]	(129)
Income available to common stockholders	$ 17,493		$ 16,626
Denominator for earnings per common share calculation:
Weighted average common shares, basic	32,704		32,258
Effect of dilutive securities:
Preferred stock	510		760
Stock options	78		309
Weighted average number of common shares, diluted	33,292		33,327
Basic earnings per common share:	$ 0.53		$ 0.52
Diluted earnings per common share:	$ 0.53		$ 0.50

[1] First quarter fiscal year 2018 dividend payment of $.18 per common share or common share equivalent paid on June 12, 2017.