Consolidated Statement of Changes in Shareholders' Equity - USD ($) $ in Thousands		Class C Convertible Preferred Stock [Member]	Common Stock [Member]		Treasury Stock [Member]		Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Balance beginning at Mar. 30, 2013		$ 49	$ 373		$ (90,064)		$ 131,460	$ 327,267	$ (4,043)	$ 365,042
Beginning balance, preferred shares at Mar. 30, 2013		32,500
Beginning balance, common shares at Mar. 30, 2013			37,328,000		6,074,000
Net income								54,459		54,459
Other comprehensive (loss) income:
Pension liability adjustment									908	908
Dividends:
Preferred dividends	[1]							(334)		(334)
Common dividends	[1]							(13,822)		(13,822)
Tax benefit from exercise of stock options							1,866			1,866
Exercise of stock options	[2]		$ 3		$ (177)		4,488			$ 4,314
Exercise of stock options, shares			240,000	[2]	3,000	[2]				239,935
Stock option compensation							3,551			$ 3,551
Balance ending at Mar. 29, 2014		$ 49	$ 376		$ (90,241)		141,365	367,570	(3,135)	415,984
Ending balance, preferred shares at Mar. 29, 2014		32,500
Ending balance, common shares at Mar. 29, 2014			37,568,000		6,077,000
Net income								61,799		61,799
Other comprehensive (loss) income:
Pension liability adjustment									(1,449)	(1,449)
Dividends:
Preferred dividends	[1]							(395)		(395)
Common dividends	[1]							(16,450)		(16,450)
Stock issuance costs							(14)			(14)
Tax benefit from exercise of stock options							2,208			2,208
Exercise of stock options	[2]		$ 4		$ (5,397)		14,057			$ 8,664
Exercise of stock options, shares			440,000	[2]	103,000	[2]				439,635
Stock option compensation							3,264			$ 3,264
Balance ending at Mar. 28, 2015		$ 49	$ 380		$ (95,638)		160,880	412,524	(4,584)	$ 473,611
Ending balance, preferred shares at Mar. 28, 2015		32,500								32,500
Ending balance, common shares at Mar. 28, 2015			38,008,000		6,180,000
Net income								66,805		$ 66,805
Other comprehensive (loss) income:
Pension liability adjustment									8	8
Dividends:
Preferred dividends	[1]							(456)		(456)
Common dividends	[1]							(19,231)		(19,231)
Tax benefit from exercise of stock options							6,677			6,677
Exercise of stock options	[2]		$ 6		$ (10,218)		16,243			$ 6,031
Exercise of stock options, shares			549,000	[2]	137,000	[2]				549,141
Stock option compensation							2,750			$ 2,750
Balance ending at Mar. 26, 2016		$ 49	$ 386		$ (105,856)		$ 186,550	$ 459,642	$ (4,576)	$ 536,195
Ending balance, preferred shares at Mar. 26, 2016		32,500								32,500
Ending balance, common shares at Mar. 26, 2016			38,557,000		6,317,000

[1] Dividends paid per common share or common share equivalent were $.60, $.52 and $.44, respectively, for the years ended March 26, 2016, March 28, 2015 and March 29, 2014.

[2] Includes the receipt of treasury stock in connection with the exercise of stock options and to partially satisfy tax withholding obligations.