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Changes in Stockholders' Equity | 3 Months Ended
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Nov. 30, 2020
Equity [Abstract] |
Changes in Stockholders' Equity | Changes in Stockholders' Equity The following tables summarize changes in the components of stockholders' equity for the periods presented (in millions):
| Common Stock Outstanding |  |  |  |  |  |  |  |  |  |
| Shares |  | Amount |  | Paid-in Capital |  | Retained Earnings |  | Accumulated Other Comprehensive Loss |  | Treasury Stock, at cost |  | Total
Balance, August 31, 2020 | 38.9 |  |  | $ | 0.5 |  |  | $ | 963.6 |  |  | $ | 2,523.3 |  |  | $ | (132.7) |  |  | $ | (1,227.2) |  |  | $ | 2,127.5 |
Net income | — |  |  | — |  |  | — |  |  | 59.6 |  |  | — |  |  | — |  |  | 59.6 |
Other comprehensive income | — |  |  | — |  |  | — |  |  | — |  |  | 6.2 |  |  | — |  |  | 6.2 |
Cumulative effect of adoption of ASC 326 (1) | — |  |  | — |  |  | — |  |  | (0.2) |  |  | — |  |  | — |  |  | (0.2) |
Share-based payment amortization, issuances, and cancellations | 0.1 |  |  | — |  |  | 4.7 |  |  | — |  |  | — |  |  | — |  |  | 4.7 |
Employee stock purchase plan issuances | — |  |  | — |  |  | 0.3 |  |  | — |  |  | — |  |  | — |  |  | 0.3 |
Cash dividends of $0.13 per share paid on common stock | — |  |  | — |  |  | — |  |  | (5.0) |  |  | — |  |  | — |  |  | (5.0) |
Repurchases of common stock | (2.6) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (256.1) |  |  | (256.1) |
Balance, November 30, 2020 | 36.4 |  |  | $ | 0.5 |  |  | $ | 968.6 |  |  | $ | 2,577.7 |  |  | $ | (126.5) |  |  | $ | (1,483.3) |  |  | $ | 1,937.0 |
____________________________________ (1) See Note 4 - New Accounting Pronouncements for further details on our adoption of ASC 326.
| Common Stock Outstanding |  |  |  |  |  |  |  |  |  |
| Shares |  | Amount |  | Paid-in Capital |  | Retained Earnings |  | Accumulated Other Comprehensive Loss |  | Treasury Stock, at cost |  | Total
Balance, August 31, 2019 | 39.5 |  |  | $ | 0.5 |  |  | $ | 930.0 |  |  | $ | 2,295.8 |  |  | $ | (151.4) |  |  | $ | (1,156.0) |  |  | $ | 1,918.9 |
Net income | — |  |  | — |  |  | — |  |  | 57.0 |  |  | — |  |  | — |  |  | 57.0 |
Other comprehensive income | — |  |  | — |  |  | — |  |  | — |  |  | 3.8 |  |  | — |  |  | 3.8 |
Share-based payment amortization, issuances, and cancellations | — |  |  | — |  |  | 12.6 |  |  | — |  |  | — |  |  | — |  |  | 12.6 |
Employee stock purchase plan issuances | — |  |  | — |  |  | 0.2 |  |  | — |  |  | — |  |  | — |  |  | 0.2 |
Cash dividends of $0.13 per share paid on common stock | — |  |  | — |  |  | — |  |  | (5.2) |  |  | — |  |  | — |  |  | (5.2) |
Balance, November 30, 2019 | 39.5 |  |  | $ | 0.5 |  |  | $ | 942.8 |  |  | $ | 2,347.6 |  |  | $ | (147.6) |  |  | $ | (1,156.0) |  |  | $ | 1,987.3 |

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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