Earnings Per 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. 24, 2016	Sep. 26, 2015	Sep. 24, 2016		Sep. 26, 2015
Numerator for earnings per common share calculation [Abstract]
Net income	$ 17,544	$ 18,872	$ 34,299		$ 37,671
Preferred stock dividends	(129)	(114)	(258)	[1]	(228)
Income available to common stockholders	$ 17,415	$ 18,758	$ 34,041		$ 37,443
Denominator for earnings per common share calculation:
Weighted average common shares, basic	32,291	31,961	32,274		31,908
Effect of dilutive securities:
Preferred stock	760	760	760		760
Stock options	266	439	292		474
Weighted average number of common shares, diluted	33,317	33,160	33,326		33,142
Basic Earnings per common share:	$ 0.54	$ 0.59	$ 1.05		$ 1.17
Diluted Earnings per common share:	$ 0.53	$ 0.57	$ 1.03		$ 1.14

[1] Represents first and second quarter fiscal year 2017 dividends of $.17 per common share or common share equivalent each quarter, paid on June 13, 2016 and September 1, 2016, respectively.