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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | Common Stock | Additional Paid-In Capital | Retained Earnings | Retained Earnings Cumulative Effect, Period of Adoption, Adjustment | Accumulated Other Comprehensive Income (Loss) | Treasury Stock
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Sep. 30, 2019 |  |  | 112,080,000 |  |  |  |  |
Beginning balance (in shares) at Sep. 30, 2019 |  |  |  |  |  |  |  | 3,642,000
Beginning balance at Sep. 30, 2019 | $ 4,012,223 |  | $ 11,208 | $ 510,305 | $ 3,714,307 |  | $ (28,635) | $ (194,962)
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |  |  |
Net Income (Loss) | (494,497) |  |  |  | (494,497) |  |  |
Other comprehensive income (loss) | 2,447 |  |  |  |  |  | 2,447 |
Dividends declared | (209,798) |  |  |  | (209,798) |  |  |
Exercise of employee stock options, net of shares withheld for employee taxes (in shares) |  |  |  |  |  |  |  | (110,000)
Exercise of employee stock options, net of shares withheld for employee taxes | 4,044 |  |  | (3,151) |  |  |  | $ 7,195
Vesting of restricted stock awards, net of shares withheld for employee taxes (in shares) |  |  | (71,000) |  |  |  |  | (329,000)
Vesting of restricted stock awards, net of shares withheld for employee taxes | (3,729) |  | $ 7 | (21,855) |  |  |  | $ 18,119
Stock-based compensation | 36,329 |  |  | 36,329 |  |  |  |
Share repurchases (in shares) |  |  |  |  |  |  |  | 1,460,000
Share repurchases | (28,505) |  |  |  |  |  |  | $ (28,505)
Ending balance (in shares) at Sep. 30, 2020 |  |  | 112,151,000 |  |  |  |  |
Ending balance (in shares) at Sep. 30, 2020 |  |  |  |  |  |  |  | 4,663,000
Ending balance at Sep. 30, 2020 | $ 3,318,514 |  | $ 11,215 | 521,628 | 3,010,012 |  | (26,188) | $ (198,153)
Ending balance (ASU 2016-13) at Sep. 30, 2020 |  | $ (1,251) |  |  |  | $ (1,251) |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |  |  |
Accounting Standards Update [Extensible List] | ASU 2016-13 |  |  |  |  |  |  |
Net Income (Loss) | $ (326,150) |  |  |  | (326,150) |  |  |
Other comprehensive income (loss) | 5,944 |  |  |  |  |  | 5,944 |
Dividends declared | (109,236) |  |  |  | (109,236) |  |  |
Vesting of restricted stock awards, net of shares withheld for employee taxes (in shares) |  |  | (71,000) |  |  |  |  | (339,000)
Vesting of restricted stock awards, net of shares withheld for employee taxes | (2,161) |  | $ 7 | (18,683) |  |  |  | $ 16,515
Stock-based compensation | 27,858 |  |  | 27,858 |  |  |  |
Other | $ (900) |  |  | (900) |  |  |  |
Ending balance (in shares) at Sep. 30, 2021 | 107,898,859 |  | 112,222,000 |  |  |  |  |
Ending balance (in shares) at Sep. 30, 2021 | 4,324,006 |  |  |  |  |  |  | 4,324,000
Ending balance at Sep. 30, 2021 | $ 2,912,618 |  | $ 11,222 | 529,903 | 2,573,375 |  | (20,244) | $ (181,638)
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |  |  |
Net Income (Loss) | 6,953 |  |  |  | 6,953 |  |  |
Other comprehensive income (loss) | 8,172 |  |  |  |  |  | 8,172 |
Dividends declared | (106,756) |  |  |  | (106,756) |  |  |
Vesting of restricted stock awards, net of shares withheld for employee taxes (in shares) |  |  | 0 |  |  |  |  | (550,000)
Vesting of restricted stock awards, net of shares withheld for employee taxes | (5,499) |  | $ 0 | (28,608) |  |  |  | $ 23,109
Stock-based compensation | 28,032 |  |  | 28,032 |  |  |  |
Share repurchases (in shares) |  |  |  |  |  |  |  | 3,155,000
Share repurchases | (76,999) |  |  |  |  |  |  | $ (76,999)
Other | $ (1,049) |  |  | (1,049) |  |  |  |
Ending balance (in shares) at Sep. 30, 2022 | 105,293,662 |  | 112,222,000 |  |  |  |  |
Ending balance (in shares) at Sep. 30, 2022 | 6,929,203 |  |  |  |  |  |  | 6,929,000
Ending balance at Sep. 30, 2022 | $ 2,765,472 |  | $ 11,222 | $ 528,278 | $ 2,473,572 |  | $ (12,072) | $ (235,528)

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