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Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands | Preferred Stock [Member] Series C Preferred Stock [Member] | Preferred Stock [Member] Series D Preferred Stock [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Treasury Stock [Member] Series C Preferred Stock [Member] | Treasury Stock [Member] Common Treasury Stock [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning and end of year (in shares) at Apr. 30, 2016 | 150,000 |  | 50,589,000 |  |  |  | 150,000 | 4,033,000 |
Beginning and end of year at Apr. 30, 2016 | $ 150 |  | $ 506 | $ 34,570 | $ 190,733 | $ (1,807) | $ (5,100) | $ (12,900) | $ 206,152
Beginning of year (in shares) at May. 02, 2015 |  | 120,000 | 50,418,000 |  |  |  |  |  |
Beginning of year at May. 02, 2015 |  | $ 120 | $ 504 | 37,759 | 129,773 | (2,524) |  |  |
Series D preferred redeemed (in shares) |  | (120,000) |  |  |  |  |  |  |
Series D preferred redeemed |  | $ (120) |  | (5,791) |  |  |  |  |
Stock options exercised (in shares) |  |  | 171,000 |  |  |  |  |  |
Stock options exercised |  |  | $ 2 | 846 |  |  |  |  |
Stock-based compensation |  |  |  | 228 |  |  |  |  |
Stock-based tax benefits |  |  |  | 1,528 |  |  |  |  |
Net income |  |  |  |  | 61,198 |  |  |  | 61,198
Common stock cash dividend |  |  |  |  |  |  |  |  |
Preferred stock dividends & accretion |  |  |  |  | (238) |  |  |  |
Cash flow hedges |  |  |  |  |  | 783 |  |  | 783
Other |  |  |  |  |  | (66) |  |  | (66)
Beginning and end of year (in shares) at Apr. 29, 2017 | 150,000 |  | 50,616,000 |  |  |  | 150,000 | 4,033,000 |
Beginning and end of year at Apr. 29, 2017 | $ 150 |  | $ 506 | 35,638 | 227,928 | (604) | $ (5,100) | $ (12,900) | 245,618
Beginning of year (in shares) at Apr. 30, 2016 | 150,000 |  | 50,589,000 |  |  |  | 150,000 | 4,033,000 |
Beginning of year at Apr. 30, 2016 | $ 150 |  | $ 506 | 34,570 | 190,733 | (1,807) | $ (5,100) | $ (12,900) | 206,152
Series D preferred redeemed (in shares) |  |  |  |  |  |  |  |  |
Series D preferred redeemed |  |  |  |  |  |  |  |  |
Stock options exercised (in shares) |  |  | 27,000 |  |  |  |  |  |
Stock options exercised |  |  |  | 365 |  |  |  |  |
Stock-based compensation |  |  |  | 208 |  |  |  |  |
Stock-based tax benefits |  |  |  | 495 |  |  |  |  |
Net income |  |  |  |  | 107,045 |  |  |  | 107,045
Common stock cash dividend |  |  |  |  | (69,850) |  |  |  |
Preferred stock dividends & accretion |  |  |  |  |  |  |  |  |
Cash flow hedges |  |  |  |  |  | 1,110 |  |  | 1,110
Other |  |  |  |  |  | 93 |  |  | 93
Beginning and end of year (in shares) at Apr. 28, 2018 | 150,000 |  | 50,651,000 |  |  |  | 150,000 | 4,033,000 |
Beginning and end of year at Apr. 28, 2018 | $ 150 |  | $ 507 | 36,358 | 307,824 | 4,601 | $ (5,100) | $ (12,900) | 331,440
Beginning of year (in shares) at Apr. 29, 2017 | 150,000 |  | 50,616,000 |  |  |  | 150,000 | 4,033,000 |
Beginning of year at Apr. 29, 2017 | $ 150 |  | $ 506 | 35,638 | 227,928 | (604) | $ (5,100) | $ (12,900) | $ 245,618
Series D preferred redeemed (in shares) |  |  |  |  |  |  |  |  |
Series D preferred redeemed |  |  |  |  |  |  |  |  |
Stock options exercised (in shares) |  |  | 35,000 |  |  |  |  |  | 34,650
Stock options exercised |  |  | $ 1 | 559 |  |  |  |  |
Stock-based compensation |  |  |  | 161 |  |  |  |  |
Stock-based tax benefits |  |  |  |  |  |  |  |  |
Net income |  |  |  |  | 149,774 |  |  |  | $ 149,774
Common stock cash dividend |  |  |  |  | (69,878) |  |  |  |
Preferred stock dividends & accretion |  |  |  |  |  |  |  |  |
Cash flow hedges |  |  |  |  |  | 5,227 |  |  | 5,227
Other |  |  |  |  |  | $ (22) |  |  | $ (22)

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