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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2022
Share-Based Payment Arrangement [Abstract] |
Flexible Stock Plan Options | At December 31, 2022, the following common shares were authorized for issuance under the Plan:
| Shares Available for Issuance |  | Maximum Number of Authorized Shares
Unexercised options | .3 |  |  | .3 |
Outstanding stock units—vested | 3.5 |  |  | 9.1 |
Outstanding stock units—unvested | 1.0 |  |  | 2.9 |
Available for grant | 8.5 |  |  | 8.5 |
Authorized for issuance at December 31, 2022 | 13.3 |  |  | 20.8 |
Components Of Stock-Based Compensation | The following table recaps the impact of stock-based compensation on the results of operations for each of the periods presented:
| Year Ended December 31
| 2022 |  | 2021 |  | 2020
| To Be Settled With Stock |  | To Be Settled In Cash |  | 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 contributions 1 | $ | 3.7 |  |  | $ | .7 |  |  | $ | 4.0 |  |  | $ | .6 |  |  | $ | 3.5 |  |  | $ | .7 |
Discounts on various stock awards: |  |  |  |  |  |  |  |  |  |  |
Deferred Compensation Program 2 | 1.6 |  |  | — |  |  | 1.5 |  |  | — |  |  | 2.2 |  |  | — |
ESU program 1 | 1.4 |  |  | — |  |  | 1.1 |  |  | — |  |  | 1.4 |  |  | — |
Discount Stock Plan 3 | .8 |  |  | — |  |  | .9 |  |  | — |  |  | .9 |  |  | — |
Performance Stock Unit (PSU) awards: 4 |  |  |  |  |  |  |  |  |  |  |
PSU - TSR based 4A | 2.5 |  |  | (.5) |  |  | 3.1 |  |  | (1.0) |  |  | 3.2 |  |  | (.7) |
PSU - EBIT CAGR based 4B | (1.7) |  |  | (2.0) |  |  | 4.7 |  |  | 5.0 |  |  | (1.9) |  |  | (2.0) |
Restricted Stock Unit (RSU) awards 5 | 10.2 |  |  | — |  |  | 8.2 |  |  | — |  |  | 6.8 |  |  | — |
Other, primarily non-employee directors restricted stock | 1.0 |  |  | — |  |  | .4 |  |  | — |  |  | .9 |  |  | — |
Total stock-related compensation expense (income) | 19.5 |  |  | $ | (1.8) |  |  | 23.9 |  |  | $ | 4.6 |  |  | 17.0 |  |  | $ | (2.0) |
Employee contributions for above stock plans | 10.6 |  |  |  |  | 10.3 |  |  |  |  | 12.2 |  |  |
Total stock-based compensation | $ | 30.1 |  |  |  |  | $ | 34.2 |  |  |  |  | $ | 29.2 |  |  |
Tax benefits on stock-based compensation expense | $ | 4.7 |  |  |  |  | $ | 5.8 |  |  |  |  | $ | 4.0 |  |  |
Tax benefits on stock-based compensation payments | .6 |  |  |  |  | 3.4 |  |  |  |  | 2.5 |  |  |
Total tax benefits associated with stock-based compensation | $ | 5.3 |  |  |  |  | $ | 9.2 |  |  |  |  | $ | 6.5 |  |  |
Schedule of Stock-based Compensation Assets and Liabilities | The following table recaps the impact of stock-based compensation on assets and liabilities for each of the periods presented:
| 2022 |  | 2021
| Current |  | Long-term |  | Total |  | Current |  | Long-term |  | Total
Assets: |  |  |  |  |  |  |  |  |  |  |
Diversified investments associated with the ESU program 1 | $ | 3.1 |  |  | $ | 39.7 |  |  | $ | 42.8 |  |  | $ | 3.6 |  |  | $ | 47.4 |  |  | $ | 51.0 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |
ESU program 1 | $ | 3.1 |  |  | $ | 40.9 |  |  | $ | 44.0 |  |  | $ | 3.6 |  |  | $ | 47.3 |  |  | $ | 50.9 |
Performance Stock Unit (TSR) award 4A | — |  |  | .6 |  |  | .6 |  |  | — |  |  | 1.1 |  |  | 1.1 |
Performance Stock Unit (EBIT) award 4B | — |  |  | .7 |  |  | .7 |  |  | 3.5 |  |  | 2.7 |  |  | 6.2 |
Other - primarily timing differences between employee withholdings and related employer contributions to be submitted to various plans' trust accounts | 5.9 |  |  | — |  |  | 5.9 |  |  | 5.6 |  |  | — |  |  | 5.6 |
Total liabilities associated with stock-based compensation | $ | 9.0 |  |  | $ | 42.2 |  |  | $ | 51.2 |  |  | $ | 12.7 |  |  | $ | 51.1 |  |  | $ | 63.8 |
Deferred Compensation Arrangement with Individual Disclosure, Postretirement Benefits |
| Options |  | Units |  | Cash
Aggregate amount of compensation deferred during 2022 | $ | .1 |  |  | $ | 4.7 |  |  | $ | .4 |
Discount Stock Plan |
Average 2022 purchase price per share (net of discount) | $ | 31.07 |
2022 number of shares purchased by employees | .2 |
Shares purchased since inception in 1982 | 23.8 |
Maximum shares under the plan | 27.0 |
Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Performance Based Units Table | Below is a summary of shares and grant date fair value related to PSU awards for the periods presented:
| Year Ended December 31
| 2022 |  | 2021 |  | 2020
TSR Based |  |  |  |  |
Total shares base award | .1 |  |  | .1 |  |  | .1 |
Grant date per share fair value | $ | 41.13 |  |  | $ | 49.43 |  |  | $ | 38.23 |
Risk-free interest rate | 1.7 | % |  | .2 | % |  | 1.4 | %
Expected life in years | 3.0 |  | 3.0 |  | 3.0
Expected volatility (over expected life) | 45.2 | % |  | 44.3 | % |  | 24.0 | %
Expected dividend yield (over expected life) | 4.6 | % |  | 3.7 | % |  | 3.6 | %
EBIT CAGR Based |  |  |  |  |
Total shares base award | .1 |  |  | .1 |  |  | .1 |
Grant date per share fair value | $ | 32.88 |  |  | $ | 38.77 |  |  | $ | 40.52 |
Vesting period in years | 3.0 |  | 3.0 |  | 3.0
Three-Year Performance Cycle for PSU - TSR Based
Award Year |  | Completion Date |  | TSR Performance Relative to the Peer Group (1%=Best) |  | Payout as a Percent of the Base Award |  | Number of Shares Distributed |  | Cash Portion |  | Distribution Date
2018 |  | December 31, 2020 |  | 60 | th percentile |  | 56.0% |  | <.1 million |  | $ | 2.0 |  |  | First quarter 2021
2019 |  | December 31, 2021 |  | 78 | th percentile |  | —% |  | — million |  | $ | — |  |  | First quarter 2022
2020 |  | December 31, 2022 |  | 87 | th percentile |  | —% |  | — million |  | $ | — |  |  | First quarter 2023
Three-Year Performance Cycle for PSU - EBIT CAGR Based
Award Year |  | Completion Date |  |  | Payout as a Percent of the Base Award |  | Number of Shares Distributed |  | Cash Portion |  | Distribution Date
2018 |  | December 31, 2020 |  |  | 16.0% |  | <.1 million |  | $ | .4 |  |  | First quarter 2021
2019 |  | December 31, 2021 |  |  | 127.0% |  | <.1 million |  | $ | 3.5 |  |  | First quarter 2022
2020 |  | December 31, 2022 |  |  | —% |  | — million |  | $ | — |  |  | First quarter 2023
Schedule of Share-based Compensation, Restricted Stock Units Award Activity | Stock unit information for the plans discussed above is presented in the table below:
| DSU |  | ESU |  | PSU |  | RSU |  |  |  | Total Units |  | Weighted Average Grant Date Fair Value per Unit |  | Aggregate Intrinsic Value
Unvested at December 31, 2021 | — |  |  | — |  |  | .8 |  |  | .2 |  |  |  |  | 1.0 |  |  | $ | 44.41 |  |  |
Granted based on current service | .2 |  |  | .2 |  |  | — |  |  | .3 |  |  |  |  | .7 |  |  | 35.78 |  |  |
Granted based on future conditions* | — |  |  | — |  |  | .3 |  |  | — |  |  |  |  | .3 |  |  | 17.99 |  |  |
Vested | (.2) |  |  | (.2) |  |  | (.1) |  |  | (.3) |  |  |  |  | (.8) |  |  | 38.21 |  |  |
Forfeited* | — |  |  | — |  |  | (.2) |  |  | — |  |  |  |  | (.2) |  |  | 21.33 |  |  |
Unvested at December 31, 2022 | — |  |  | — |  |  | .8 |  |  | .2 |  |  |  |  | 1.0 |  |  | $ | 42.34 |  |  | $ | 30.7 |
Fully vested shares available for issuance at December 31, 2022 |  |  |  |  |  |  |  |  |  |  | 3.5 |  |  |  |  | $ | 111.6 |
*PSU awards are presented at maximum payout of 200% at grant date and when forfeited.
Stock Units Converted To Common Stock |
| Year Ended December 31
| 2022 |  | 2021 |  | 2020
Total intrinsic value of vested stock units converted to common stock | $ | 5.7 |  |  | $ | 10.5 |  |  | $ | 11.7 |

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- Definition Tabular disclosure of pension and other postretirement benefit arrangements with individual employees, which are generally based on employment contracts between the entity and one or more selected officers or key employees, and which contain a promise by the employer to pay certain amounts at designated future dates, usually including a period after retirement, upon compliance with stipulated requirements. This type of arrangement is distinguished from broader based employee benefit plans as it is usually tailored to the employee. Disclosure also typically includes the amount of related compensation expense recognized during the reporting period and the carrying amount as of the balance sheet date of the related liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 25 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=6409733&loc=d3e19512-108361 + Details
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