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Stockholders Equity and Noncontrolling Interests, Stock Repurchase (Details) - USD ($) shares in Millions, $ in Millions |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Apr. 23, 2024 | Apr. 27, 2021 | Oct. 22, 2024 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Stockholders' Equity |  |  |  |  |  |  |
Treasury stock retired (in dollars) |  |  |  | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0
Payments for shares repurchased (in dollars) |  |  |  | $ 176.2 | $ 149.3 | $ 520.4 | $ 469.8
2021 Stock Repurchase Program |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Value of shares authorized to be repurchased (in dollars) |  | $ 2,000.0 |  |  |  |  |
Repurchase of stock program, period |  | 3 years |  |  |  |  |
Stock repurchase program expiration date |  | Apr. 27, 2024 |  |  |  |  |
Number of treasury shares retired |  |  |  |  |  | 4.1 | 8.2
Treasury stock retired (in dollars) |  |  |  |  |  | $ 225.6 | $ 320.5
Number of shares repurchased |  |  |  |  | 3.5 | 4.1 | 11.7
Payments for shares repurchased (in dollars) |  |  |  |  | $ 149.3 | $ 225.6 | $ 469.8
2024 Stock Repurchase Program |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Value of shares authorized to be repurchased (in dollars) | $ 2,000.0 |  |  |  |  |  |
Repurchase of stock program, period | 3 years |  |  |  |  |  |
Stock repurchase program expiration date | Apr. 28, 2027 |  |  |  |  |  |
Number of treasury shares retired |  |  |  |  |  | 1.8 |
Treasury stock retired (in dollars) |  |  |  |  |  | $ 118.6 |
Number of shares repurchased |  |  |  | 2.7 |  | 4.5 |
Payments for shares repurchased (in dollars) |  |  |  | $ 176.2 |  | $ 294.8 |
Subsequent Event | 2024 Stock Repurchase Program |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Number of shares repurchased |  |  | 0.6 |  |  |  |
Payments for shares repurchased (in dollars) |  |  | $ 35.8 |  |  |  |
Value of shares remaining that may be repurchased under the stock repurchase program (in dollars) |  |  | $ 1,669.4 |  |  |  |

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- Definition Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481520/505-30-50-4 + Details
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- Definition Expiration date for purchase of share under share repurchase plan, in YYYY-MM-DD format. Includes, but is not limited to, repurchase of stock and unit of ownership. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481520/505-30-50-4 + Details
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- Definition Period share may be purchased under authorized share repurchase plan, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, repurchase of stock and unit of ownership. + References No definition available. + Details
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