Consolidated Statements 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]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings [Member]	Total
Balance beginning at Mar. 26, 2016		$ 49	$ 386	$ (105,856)	$ 186,550	$ (4,576)	$ 459,642	$ 536,195
Beginning balance, preferred shares at Mar. 26, 2016		33,000
Beginning balance, common shares at Mar. 26, 2016			38,557,000	6,317,000
Net income							61,526	61,526
Other comprehensive income (loss):
Pension liability adjustment						1,415		1,415
Dividends:
Preferred dividends	[1]						(447)	(447)
Common dividends	[1]						(22,070)	(22,070)
Conversion of Class C Preferred Stock		$ (16)	$ 2		14
Conversion of Class C Preferred Stock, shares		(11,000)	250,000
Tax benefit from exercise of stock options					3,510			3,510
Activity related to equity-based plans	[2]		$ 2	$ (356)	(1,004)			(1,358)
Activity related to equity-based plans, shares	[2]		205,000	5,000
Stock-based compensation					2,483			2,483
Balance ending at Mar. 25, 2017		$ 33	$ 390	$ (106,212)	191,553	(3,161)	498,651	581,254
Ending balance, preferred shares at Mar. 25, 2017		22,000
Ending balance, common shares at Mar. 25, 2017			39,012,000	6,322,000
Net income							63,935	63,935
Other comprehensive income (loss):
Pension liability adjustment						(390)		(390)
Dividends:
Preferred dividends	[1]						(368)	(368)
Common dividends	[1]						(23,601)	(23,601)
Reclassification of tax effects to Retained Earnings						(697)	697
Dividend payable							28	28
Activity related to equity-based plans	[2]		$ 2	$ (351)	5,165			4,816
Activity related to equity-based plans, shares	[2]		154,000	8,000
Stock-based compensation					2,858			2,858
Balance ending at Mar. 31, 2018		$ 33	$ 392	$ (106,563)	199,576	(4,248)	539,286	$ 628,476
Ending balance, preferred shares at Mar. 31, 2018		22,000						21,802
Ending balance, common shares at Mar. 31, 2018			39,166,000	6,330,000
Net income							79,752	$ 79,752
Other comprehensive income (loss):
Pension liability adjustment						(288)		(288)
Dividends:
Preferred dividends	[1]						(408)	(408)
Common dividends	[1]						(26,406)	(26,406)
Dividend payable							(50)	(50)
Activity related to equity-based plans	[2]		$ 3	$ (2,166)	16,575			14,412
Activity related to equity-based plans, shares	[2]		345,000	30,000
Stock-based compensation					4,022			4,022
Balance ending at Mar. 30, 2019		$ 33	$ 395	$ (108,729)	$ 220,173	$ (4,536)	$ 592,174	$ 699,510
Ending balance, preferred shares at Mar. 30, 2019		22,000						21,802
Ending balance, common shares at Mar. 30, 2019			39,511,000	6,360,000

[1] Dividends paid per share or share equivalent were $.80, $.72 and $.68, respectively, for the years ended March 30, 2019, March 31, 2018 and March 25, 2017.

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