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Consolidated Statements Of Changes in Shareholders' Equity - USD ($) $ in Thousands | Class C Convertible Preferred Stock [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Class C Convertible Preferred Stock [Member] | Common Stock [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Common Stock [Member] | Treasury Stock [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Treasury Stock [Member] | Additional Paid-in Capital [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Loss [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Accumulated Other Comprehensive Loss [Member] | Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member] | Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Retained Earnings [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Total
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Balance beginning at Mar. 30, 2019 |  | $ 33 | $ 33 | $ 395 | $ 395 | $ (108,729) | $ (108,729) | $ 220,173 | $ 220,173 | $ (4,536) | $ (4,536) | $ (582) | $ 591,592 | $ 592,174 | $ (582) | $ 698,928 | $ 699,510
Beginning balance, preferred shares at Mar. 30, 2019 |  | 22,000 | 22,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, common shares at Mar. 30, 2019 |  |  |  | 39,511,000 | 39,511,000 | 6,360,000 | 6,360,000 |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  | 61,800 |  |  | 61,800
Other comprehensive loss: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pension liability adjustment |  |  |  |  |  |  |  |  |  |  | (266) |  |  |  |  |  | (266)
Cash dividends: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred | [1] |  |  |  |  |  |  |  |  |  |  |  |  | (337) |  |  | (337)
Common | [1] |  |  |  |  |  |  |  |  |  |  |  |  | (21,944) |  |  | (21,944)
Dividend payable |  |  |  |  |  |  |  |  |  |  |  |  |  | (34) |  |  | (34)
Activity related to equity-based plans |  |  |  |  | $ 1 |  |  |  | 5,589 |  |  |  |  |  |  |  | 5,590
Activity related to equity-based plans, shares |  |  |  |  | 129,000 |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  | 2,855 |  |  |  |  |  |  |  | 2,855
Balance ending at Dec. 28, 2019 |  |  | $ 33 |  | $ 396 |  | $ (108,729) |  | 228,617 |  | (4,802) |  |  | 631,077 |  |  | 746,592
Ending balance, preferred shares at Dec. 28, 2019 |  |  | 22,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance, common shares at Dec. 28, 2019 |  |  |  |  | 39,640,000 |  | 6,360,000 |  |  |  |  |  |  |  |  |  |
Balance beginning at Sep. 28, 2019 |  |  | $ 33 |  | $ 396 |  | $ (108,729) |  | 226,948 |  | (4,713) |  |  | 619,641 |  |  | 733,576
Beginning balance, preferred shares at Sep. 28, 2019 |  |  | 22,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, common shares at Sep. 28, 2019 |  |  |  |  | 39,628,000 |  | 6,360,000 |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  | 18,880 |  |  | 18,880
Other comprehensive loss: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pension liability adjustment |  |  |  |  |  |  |  |  |  |  | (89) |  |  |  |  |  | (89)
Cash dividends: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred | [1] |  |  |  |  |  |  |  |  |  |  |  |  | (112) |  |  | (112)
Common | [1] |  |  |  |  |  |  |  |  |  |  |  |  | (7,321) |  |  | (7,321)
Dividend payable |  |  |  |  |  |  |  |  |  |  |  |  |  | (11) |  |  | (11)
Activity related to equity-based plans |  |  |  |  |  |  |  |  | 701 |  |  |  |  |  |  |  | 701
Activity related to equity-based plans, shares |  |  |  |  | 12,000 |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  | 968 |  |  |  |  |  |  |  | 968
Balance ending at Dec. 28, 2019 |  |  | $ 33 |  | $ 396 |  | $ (108,729) |  | 228,617 |  | (4,802) |  |  | 631,077 |  |  | 746,592
Ending balance, preferred shares at Dec. 28, 2019 |  |  | 22,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance, common shares at Dec. 28, 2019 |  |  |  |  | 39,640,000 |  | 6,360,000 |  |  |  |  |  |  |  |  |  |
Balance beginning at Mar. 28, 2020 |  |  | $ 33 |  | $ 396 |  | $ (108,729) |  | 229,774 |  | (6,889) |  |  | 619,855 |  |  | $ 734,440
Beginning balance, preferred shares at Mar. 28, 2020 |  |  | 22,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 21,802
Beginning balance, common shares at Mar. 28, 2020 |  |  |  |  | 39,645,000 |  | 6,360,000 |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,516 |  |  | $ 22,516
Other comprehensive loss: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pension liability adjustment |  |  |  |  |  |  |  |  |  |  | (510) |  |  |  |  |  | (510)
Cash dividends: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred | [1] |  |  |  |  |  |  |  |  |  |  |  |  | (337) |  |  | (337)
Common | [1] |  |  |  |  |  |  |  |  |  |  |  |  | (21,978) |  |  | (21,978)
Dividend payable |  |  |  |  |  |  |  |  |  |  |  |  |  | (23) |  |  | (23)
Activity related to equity-based plans |  |  |  |  | $ 1 |  |  |  | (194) |  |  |  |  |  |  |  | (193)
Activity related to equity-based plans, shares |  |  |  |  | 22,000 |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  |  | 2,128 |  |  |  |  |  |  |  | 2,128
Balance ending at Dec. 26, 2020 |  |  | $ 33 |  | $ 397 |  | $ (108,729) |  | 231,708 |  | (7,399) |  |  | 620,033 |  |  | $ 736,043
Ending balance, preferred shares at Dec. 26, 2020 |  |  | 22,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 21,802
Ending balance, common shares at Dec. 26, 2020 |  |  |  |  | 39,667,000 |  | 6,360,000 |  |  |  |  |  |  |  |  |  |
Balance beginning at Sep. 26, 2020 |  |  | $ 33 |  | $ 397 |  | $ (108,729) |  | 231,095 |  | (7,229) |  |  | 620,800 |  |  | $ 736,367
Beginning balance, preferred shares at Sep. 26, 2020 |  |  | 22,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance, common shares at Sep. 26, 2020 |  |  |  |  | 39,667,000 |  | 6,360,000 |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,683 |  |  | 6,683
Other comprehensive loss: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pension liability adjustment |  |  |  |  |  |  |  |  |  |  | (170) |  |  |  |  |  | (170)
Cash dividends: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred | [1] |  |  |  |  |  |  |  |  |  |  |  |  | (112) |  |  | (112)
Common | [1] |  |  |  |  |  |  |  |  |  |  |  |  | (7,328) |  |  | (7,328)
Dividend payable |  |  |  |  |  |  |  |  |  |  |  |  |  | (10) |  |  | (10)
Stock-based compensation |  |  |  |  |  |  |  |  | 613 |  |  |  |  |  |  |  | 613
Balance ending at Dec. 26, 2020 |  |  | $ 33 |  | $ 397 |  | $ (108,729) |  | $ 231,708 |  | $ (7,399) |  |  | $ 620,033 |  |  | $ 736,043
Ending balance, preferred shares at Dec. 26, 2020 |  |  | 22,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 21,802
Ending balance, common shares at Dec. 26, 2020 |  |  |  |  | 39,667,000 |  | 6,360,000 |  |  |  |  |  |  |  |  |  |
[1] | Declared quarterly dividend of $0.22 per common share or common share equivalent paid in each of the first, second and third quarter of fiscal 2021 and fiscal 2020.

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