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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | Common Stock Class A Common Stock | Common Stock Class B Common Stock | Retained Earnings | Retained Earnings Cumulative Effect, Period of Adoption, Adjustment | Accumulated Other Comprehensive Loss | Treasury Stock
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Jul. 28, 2018 |  |  | 10,575 | 4,304 |  |  |  | 496
Balance at Jul. 28, 2018 | $ 303,145 |  | $ 61,678 | $ 699 | $ 258,104 |  | $ (8,185) | $ (9,151)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income | 25,539 |  |  |  | 25,539 |  |  |
Other comprehensive income, net of tax | (157) |  |  |  | 0 |  | (157) |
Dividends | $ (12,890) |  |  |  | (12,890) |  |  |
Exercise of stock options (in shares) | (36) |  |  |  |  |  |  | (36)
Exercise of stock options | $ 1,007 |  | $ 336 |  |  |  |  | $ 671
Treasury stock purchases (in shares) |  |  |  |  |  |  |  | 42
Treasury stock purchases | (1,070) |  |  |  |  |  |  | $ (1,070)
Restricted shares forfeited (in shares) |  |  | (15) |  |  |  |  |
Restricted shares forfeited | (247) |  | $ (247) |  |  |  |  |
Share-based compensation expense (in shares) |  |  | 23 |  |  |  |  |
Share-based compensation expense | 3,345 |  | $ 3,345 |  |  |  |  |
Conversion of Class B shares to Class A shares (in shares) |  |  | 10 | 10 |  |  |  |
Conversion of Class B shares to Class A shares | 0 |  | $ 2 | $ (2) |  |  |  |
Balance (in shares) at Jul. 27, 2019 |  |  | 10,593 | 4,294 |  |  |  | 502
Balance at Jul. 27, 2019 | 318,672 | $ 3,514 | $ 65,114 | $ 697 | 270,753 | $ 3,514 | (8,342) | $ (9,550)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income | 24,939 |  |  |  | 24,939 |  |  |
Other comprehensive income, net of tax | (409) |  |  |  |  |  | (409) |
Dividends | $ (12,965) |  |  |  | (12,965) |  |  |
Exercise of stock options (in shares) | 0 |  |  |  |  |  |  |
Treasury stock purchases (in shares) |  |  |  |  |  |  |  | 224
Treasury stock purchases | $ (4,389) |  |  |  |  |  |  | $ (4,389)
Restricted shares forfeited (in shares) |  |  | (20) |  |  |  |  |
Restricted shares forfeited | (208) |  | $ (208) |  |  |  |  |
Share-based compensation expense (in shares) |  |  | 412 |  |  |  |  |
Share-based compensation expense | 3,166 |  | $ 3,166 |  |  |  |  |
Balance (in shares) at Jul. 25, 2020 |  |  | 10,985 | 4,294 |  |  |  | 726
Balance at Jul. 25, 2020 | $ 332,320 |  | $ 68,072 | $ 697 | $ 286,241 |  | $ (8,751) | $ (13,939)

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