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Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands | Total | Common Shares | Additional Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Aug. 25, 2018 |  | 51,776,000 |  |  |  | (20,243,000)
Balance at beginning of year at Aug. 25, 2018 | $ 534,445 | $ 25,888 | $ 86,223 | $ 768,816 | $ 892 | $ (347,374)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 7,075 |  | 6,993 |  |  | $ 82
Stock-based compensation, net of forfeitures (in shares) |  |  |  |  |  | 5,000
Issuance of stock | 2,176 |  | (2,031) |  |  | $ 4,207
Issuance of stock (in shares) |  |  |  |  |  | 244,000
Repurchase of common stock (in shares) |  |  |  |  |  | (268,000)
Repurchase of common stock | (8,171) |  |  |  |  | $ (8,171)
Common stock dividends declared | (13,728) |  |  | (13,728) |  |
Total comprehensive income | (1,383) |  |  |  | (1,383) |
Net income | 111,798 |  |  | 111,798 |  |
Ending balance (in shares) at Aug. 31, 2019 |  | 51,776,000 |  |  |  | (20,262,000)
Balance at end of year at Aug. 31, 2019 | 632,212 | $ 25,888 | 91,185 | 866,886 | (491) | $ (351,256)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 6,475 |  | 6,446 |  |  | $ 29
Stock-based compensation, net of forfeitures (in shares) |  |  |  |  |  | 0
Issuance of stock | 1,200 |  | (1,813) |  |  | $ 3,013
Issuance of stock (in shares) |  |  |  |  |  | 174,000
Issuance of stock for acquisition | 92,572 |  | 57,811 |  |  | $ 34,761
Issuance of stock for acquisition (in shares) |  |  |  |  |  | 2,000,000
Repurchase of common stock (in shares) |  |  |  |  |  | (45,000)
Repurchase of common stock | (1,844) |  |  |  |  | $ (1,844)
Common stock dividends declared | (14,718) |  |  | (14,718) |  |
Total comprehensive income | (35) |  |  |  | (35) |
Equity component of convertible senior notes and offering costs, net of tax of $20,840 | 61,335 |  | 61,335 |  |  |
Convertible note hedge purchase, net of tax of $17,417 | (53,383) |  | (53,383) |  |  |
Issuance of warrants | 42,210 |  | 42,210 |  |  |
Net income | $ 61,442 |  |  | 61,442 |  |
Ending balance (in shares) at Aug. 29, 2020 | 51,776,000 | 51,776,000 |  |  |  | (18,133,000)
Balance at end of year at Aug. 29, 2020 | $ 827,466 | $ 25,888 | 203,791 | 913,610 | (526) | $ (315,297)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 15,347 |  | 15,323 |  |  | $ 24
Stock-based compensation, net of forfeitures (in shares) |  |  |  |  |  | 1,000
Issuance of stock | 2,298 |  | (624) |  |  | $ 2,922
Issuance of stock (in shares) |  |  |  |  |  | 166,000
Repurchase of common stock (in shares) |  |  |  |  |  | (747,000)
Repurchase of common stock | (47,589) |  |  |  |  | $ (47,589)
Common stock dividends declared | (22,485) |  |  | (22,485) |  |
Total comprehensive income | 35 |  |  |  | 35 |
Net income | $ 281,871 |  |  | 281,871 |  |
Ending balance (in shares) at Aug. 28, 2021 | 51,776,000 | 51,776,000 |  |  |  | (18,713,000)
Balance at end of year at Aug. 28, 2021 | $ 1,056,943 | $ 25,888 | $ 218,490 | $ 1,172,996 | $ (491) | $ (359,940)

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