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. 27, 2021	$ 29	$ 398	$ (108,729)	$ 238,244	$ (4,619)	$ 624,361	$ 749,684
Beginning balance, preferred shares at Mar. 27, 2021	20,000
Beginning balance, common shares at Mar. 27, 2021		39,848,000	6,360,000
Net income						36,666	36,666
Other comprehensive loss
Pension liability adjustment					(206)		(206)
Dividends declared
Preferred						(230)	(230)
Common						(16,761)	(16,761)
Dividend payable						(53)	(53)
Stock options and restricted stock		$ 1		1,945			1,946
Stock options and restricted stock, shares		52,000
Stock-based compensation				1,872			1,872
Balance ending at Sep. 25, 2021	$ 29	$ 399	$ (108,729)	242,061	(4,825)	643,983	772,918
Ending balance, preferred shares at Sep. 25, 2021	20,000
Ending balance, common shares at Sep. 25, 2021		39,900,000	6,360,000
Balance beginning at Jun. 26, 2021	$ 29	$ 399	$ (108,729)	239,738	(4,722)	631,876	758,591
Beginning balance, preferred shares at Jun. 26, 2021	20,000
Beginning balance, common shares at Jun. 26, 2021		39,865,000	6,360,000
Net income						20,985	20,985
Other comprehensive loss
Pension liability adjustment					(103)		(103)
Dividends declared
Preferred						(120)	(120)
Common						(8,719)	(8,719)
Dividend payable						(39)	(39)
Stock options and restricted stock				1,206			1,206
Stock options and restricted stock, shares		35,000
Stock-based compensation				1,117			1,117
Balance ending at Sep. 25, 2021	$ 29	$ 399	$ (108,729)	242,061	(4,825)	643,983	772,918
Ending balance, preferred shares at Sep. 25, 2021	20,000
Ending balance, common shares at Sep. 25, 2021		39,900,000	6,360,000
Balance beginning at Mar. 26, 2022	$ 29	$ 399	$ (108,729)	244,577	(4,494)	651,124	$ 782,906
Beginning balance, preferred shares at Mar. 26, 2022	20,000						19,664
Beginning balance, common shares at Mar. 26, 2022		39,907,000	6,360,000
Net income						25,605	$ 25,605
Other comprehensive loss
Pension liability adjustment					(198)		(198)
Dividends declared
Preferred						(258)	(258)
Common						(18,304)	(18,304)
Dividend payable						(97)	(97)
Repurchase of stock			$ (71,215)				(71,215)
Repurchase of stock			1,617,000
Stock options and restricted stock		$ 1		286			287
Stock options and restricted stock, shares		50,000
Stock-based compensation				3,044			3,044
Balance ending at Sep. 24, 2022	$ 29	$ 400	$ (179,944)	247,907	(4,692)	658,070	$ 721,770
Ending balance, preferred shares at Sep. 24, 2022	20,000						19,664
Ending balance, common shares at Sep. 24, 2022		39,957,000	7,977,000
Balance beginning at Jun. 25, 2022	$ 29	$ 399	$ (125,945)	245,689	(4,593)	654,097	$ 769,676
Beginning balance, preferred shares at Jun. 25, 2022	20,000
Beginning balance, common shares at Jun. 25, 2022		39,920,000	6,773,000
Net income						13,121	13,121
Other comprehensive loss
Pension liability adjustment					(99)		(99)
Dividends declared
Preferred						(129)	(129)
Common						(8,967)	(8,967)
Dividend payable						(52)	(52)
Repurchase of stock			$ (53,999)				(53,999)
Repurchase of stock			1,204,000
Stock options and restricted stock		$ 1		327			328
Stock options and restricted stock, shares		37,000
Stock-based compensation				1,891			1,891
Balance ending at Sep. 24, 2022	$ 29	$ 400	$ (179,944)	$ 247,907	$ (4,692)	$ 658,070	$ 721,770
Ending balance, preferred shares at Sep. 24, 2022	20,000						19,664
Ending balance, common shares at Sep. 24, 2022		39,957,000	7,977,000