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SHAREHOLDER’S EQUITY (Tables) | 12 Months Ended
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Sep. 30, 2021
Equity [Abstract] |
Schedule of Activity of Common Stock Repurchase Program | The following summarizes the activity of common stock repurchases under the program for the year ended September 30, 2021 and 2020:
|  | 2021 |  | 2020
(in millions except per share data) |  | Number of Shares Repurchased |  | Average Price Per Share |  | Amount |  | Number of Shares Repurchased |  | Average Price Per Share |  | Amount
Open Market Purchases |  | 0.9 |  |  | $ | 93.13 |  |  | $ | 80.3 |  |  | 4.1 |  |  | $ | 56.97 |  |  | $ | 230.6 |
Private Purchases |  | 0.7 |  |  | 66.63 |  |  | 45.5 |  |  | 0.1 |  |  | 62.30 |  |  | 9.2 |
ASR |  | — |  |  | — |  |  | — |  |  | 2.0 |  |  | 61.47 |  |  | 124.8 |
Total Purchases |  | 1.6 |  |  | $ | 81.43 |  |  | $ | 125.8 |  |  | 6.2 |  |  | $ | 58.57 |  |  | $ | 364.6 |

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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
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