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Incentive Compensation Plans Schedule of Nonvested Stock Activity (Tables) | 12 Months Ended
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Dec. 31, 2022
Summary of Stock Options Assumptions [Abstract] |
Schedule of Nonvested Share Activity [Table Text Block] | A summary of the activity of our non-vested stock-settled awards, cash-settled awards and performance-based awards during 2022 is presented below (performance-based awards are shown at 100% of the shares originally granted).
|  | Stock-Settled Awards |  | Cash-Settled Awards |  | Performance-Based Awards
|  | Awards |  | Weighted- Average Grant-Date Fair Value (per award) |  | Awards |  | Weighted- Average Grant-Date Fair Value (per award) |  | Awards |  | Weighted- Average Grant-Date Fair Value (per award)
Non-vested as of January 1, 2022 |  | 4.1 |  |  | $ | 22.82 |  |  | 0.1 |  |  | $ | 21.78 |  |  | 3.3 |  |  | $ | 19.18 |
Granted |  | 1.3 |  |  | 36.36 |  |  | 0.0 |  |  | 36.53 |  |  | 1.6 |  |  | 29.95 |
Vested |  | (1.7) |  |  | 23.25 |  |  | (0.1) |  |  | 22.83 |  |  | (1.5) |  |  | 20.16 |
Forfeited |  | (0.2) |  |  | 24.78 |  |  | 0.0 |  |  | 23.46 |  |  | (0.5) |  |  | 20.91 |
Non-vested as of December 31, 2022 |  | 3.5 |  |  | $ | 27.52 |  |  | 0.0 |  |  | $ | 27.96 |  |  | 2.9 |  |  | $ | 24.31 |
Total unrecognized compensation expense remaining |  | $ | 39.3 |  |  |  |  | $ | 0.6 |  |  |  |  | $ | 31.7 |  |  |
Weighted-average years expected to be recognized over |  | 1.0 |  |  |  | 0.9 |  |  |  | 2.0 |  |

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- Definition Summary of Stock Options Assumptions [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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