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. 25, 2017		$ 33	$ 390	$ (106,212)	$ 191,553	$ (3,161)	$ 498,651	$ 581,254
Beginning balance, preferred shares at Mar. 25, 2017		22,000
Beginning balance, common shares at Mar. 25, 2017			39,012,000	6,322,000
Net income							63,935	63,935
Other comprehensive loss:
Pension liability adjustment						(390)		(390)
Dividends:
Preferred	[1]						(368)	(368)
Common	[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
Ending balance, common shares at Mar. 31, 2018			39,166,000	6,330,000
Net income							79,752	79,752
Other comprehensive loss:
Pension liability adjustment						(288)		(288)
Dividends:
Preferred	[1]						(408)	(408)
Common	[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
Accounting change - cumulative effect at Mar. 30, 2019							(582)	$ (582)
Adjusted balance at Mar. 30, 2019							591,592	698,928
Net income							58,024	58,024
Other comprehensive loss:
Pension liability adjustment						(2,353)		(2,353)
Dividends:
Preferred	[1]						(449)	(449)
Common	[1]						(29,266)	(29,266)
Dividend payable							(46)	(46)
Activity related to equity-based plans	[2]		$ 1		5,788			5,789
Activity related to equity-based plans, shares	[2]		134,000
Stock-based compensation					3,813			3,813
Balance ending at Mar. 28, 2020		$ 33	$ 396	$ (108,729)	$ 229,774	$ (6,889)	$ 619,855	$ 734,440
Ending balance, preferred shares at Mar. 28, 2020		22,000						21,802
Ending balance, common shares at Mar. 28, 2020			39,645,000	6,360,000

[1] Dividends paid per share or share equivalent were $0.88, $0.80 and $0.72, respectively, for the years ended March 28, 2020, March 30, 2019 and March 31, 2018.

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