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Note 11- Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Millions |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 26, 2023 | Apr. 25, 2023 | Mar. 07, 2023 | Feb. 14, 2023 | Feb. 28, 2023 | Dec. 31, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Mar. 31, 2023 | Nov. 08, 2022
Common Stock, Shares Authorized (in shares) |  |  |  |  |  | 2,000,000,000 | 2,000,000,000 |  | 2,000,000,000 |  |  |
Share Price (in dollars per share) |  |  |  |  |  | $ 176.42 | $ 236.24 |  | $ 236.24 |  |  |
Preferred Stock, Shares Authorized (in shares) |  |  |  |  |  | 80,000,000 |  |  |  |  |  |
Preferred Stock, Par or Stated Value Per Share (in dollars per share) |  |  |  |  |  | $ 0.001 |  |  |  |  |  |
Preferred Stock, Shares Issued (in shares) |  |  |  |  |  | 0 | 0 |  | 0 |  |  |
Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ 0.34 | $ 0.34 |  | $ 0.34 |  |  |  |  |  |  |  |
Payments of Dividends |  |  |  |  |  |  | $ 49.2 | $ 48.6 | $ 147.9 | $ 147.2 |  |
Treasury Stock, Shares, Acquired (in shares) |  |  |  |  |  |  | 208,422 | 1,603,586 | 11,111,210 | 6,217,296 |  |
Treasury Stock, Value, Acquired, Cost Method |  |  |  |  |  |  | $ 49.8 | $ 300.0 | $ 2,551.1 | $ 1,196.3 |  |
Treasury Stock, Common, Shares (in shares) |  |  |  |  |  | 389,301,902 | 399,037,784 |  | 399,037,784 |  |  |
Common Stock Reissued (in shares) |  |  |  |  |  |  |  |  | 1,375,328 |  |  |
Shares Issued, Price Per Share (in dollars per share) |  |  |  |  |  |  | $ 19.39 |  | $ 19.39 |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) |  |  |  |  |  |  | 89,792 | 1,321,733 | 716,783 | 1,365,720 |  |
Accelerated Share Repurcahse ("ASR") Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  | $ 250.0 |  |  |  |  | $ 2,500.0 |
Treasury Stock, Shares, Acquired (in shares) |  |  | 10,655,301 |  |  | 1,168,224 |  |  |  |  |  |
Share Repurchase Programs [Member] |  |  |  |  |  |  |  |  |  |  |  |
Treasury Stock, Shares, Acquired (in shares) |  |  |  |  |  | 247,487 | 208,422 |  | 11,111,210 |  |  |
Shares Acquired, Average Cost Per Share (in dollars per share) |  |  |  |  | $ 176.68 |  | $ 239.20 |  | $ 189.59 |  |  |
Treasury Stock, Value, Acquired, Cost Method |  |  |  |  |  |  |  |  | $ 2,106.6 |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  |  |  |  |  | $ 891.5 |  | 891.5 |  |  |
Additonal Repurchase Authorization Shares Upon Sale of Energy Business [Member] |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  |  |  |  |  |  |  | $ 3,000.0
Sales and Excise Tax Payable |  |  |  |  |  |  | $ 18.3 |  | $ 18.3 |  |  |

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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