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Stock-Based Compensation | 9 Months Ended
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Sep. 30, 2024
Share-Based Payment Arrangement [Abstract] |
Stock-Based Compensation | Stock-Based Compensation The following table recaps the impact of stock-based compensation on the results of operations for each of the periods presented:
| Nine Months Ended September 30, 2024 |  | Nine Months Ended September 30, 2023
| To be settled with stock |  | To be settled in cash |  | To be settled with stock |  | To be settled in cash
Executive Stock Unit (ESU) Program matching contributions | $ | 2.6 |  |  | $ | .5 |  |  | $ | 1.9 |  |  | $ | .5 |
Discounts on various stock awards | 2.3 |  |  | — |  |  | 2.5 |  |  | — |
Performance Stock Unit awards | — |  |  | (.5) |  |  | 2.2 |  |  | .5 |
Restricted Stock Unit awards | 10.0 |  |  | — |  |  | 7.0 |  |  | — |
Other, primarily non-employee directors restricted stock | 1.4 |  |  | — |  |  | 1.3 |  |  | — |
Total stock-based compensation expense (income) | 16.3 |  |  | $ | — |  |  | 14.9 |  |  | $ | 1.0 |
Employee contributions for above stock plans | 5.9 |  |  |  |  | 6.8 |  |  |
Total stock-based compensation | $ | 22.2 |  |  |  |  | $ | 21.7 |  |  |
Tax benefits on stock-based compensation expense | $ | 4.0 |  |  |  |  | $ | 3.6 |  |  |
Tax (expense)/benefits on stock-based compensation payments | (1.1) |  |  |  |  | .3 |  |  |
Total tax benefits associated with stock-based compensation | $ | 2.9 |  |  |  |  | $ | 3.9 |  |  |
| Three Months Ended |  | Three Months Ended
| September 30, 2024 |  | September 30, 2023
| To be settled with stock |  | To be settled in cash |  | To be settled with stock |  | To be settled in cash
Executive Stock Unit (ESU) Program matching contributions | $ | 1.0 |  |  | $ | .2 |  |  | $ | .1 |  |  | $ | .2 |
Discounts on various stock awards | .5 |  |  | — |  |  | .7 |  |  | — |
Performance Stock Unit awards | (.2) |  |  | .2 |  |  | .3 |  |  | (.3) |
Restricted Stock Unit awards | .8 |  |  | — |  |  | .9 |  |  | — |
Other, primarily non-employee directors restricted stock | .3 |  |  | — |  |  | .4 |  |  | — |
Total stock-based compensation expense (income) | 2.4 |  |  | $ | .4 |  |  | 2.4 |  |  | $ | (.1) |
Employee contributions for above stock plans | 2.0 |  |  |  |  | 2.8 |  |  |
Total stock-based compensation | $ | 4.4 |  |  |  |  | $ | 5.2 |  |  |
Tax benefits on stock-based compensation expense | $ | .6 |  |  |  |  | $ | .6 |  |  |
Tax (expense)/benefits on stock-based compensation | .1 |  |  |  |  | — |  |  |
Total tax benefits associated with stock-based compensation | $ | .7 |  |  |  |  | $ | .6 |  |  |

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- Definition The entire disclosure for share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/718/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (l) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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