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Share-based compensation plans (Tables) | 12 Months Ended
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Dec. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Activity related to restricted stock units | The activity related to RSUs for the year ended December 31, 2023 is as follows:
| Nonvested |  | Vested |  | Total |  | Average Grant Date Fair Value Per Share
Outstanding, December 31, 2022 | 462,395 |  |  | 73,309 |  |  | 535,704 |  |  | $ | 53.23 |
Granted | 325,771 |  |  | — |  |  | 325,771 |  |  | $ | 56.87 |
Vested | (172,786) |  |  | 172,786 |  |  | — |  |  |
Converted |  |  | (179,198) |  |  | (179,198) |  |  | $ | 54.12 |
Cancelled | (24,148) |  |  | — |  |  | (24,148) |  |  | $ | 55.79 |
Dividend equivalents | 2,213 |  |  | 1,918 |  |  | 4,131 |  |  | $ | 56.97 |
Outstanding, December 31, 2023 | 593,445 |  |  | 68,815 |  |  | 662,260 |  |  | $ | 54.71 |
Activity related to performance contingent restricted stock units | The activity related to PCSUs for the year ended December 31, 2023 is as follows:
| Nonvested |  | Vested |  | Total |  | Average Grant Date Fair Value per Share
Outstanding, December 31, 2022 | 599,382 |  |  | 302,400 |  |  | 901,782 |  |  | $52.81
Granted | 205,178 |  |  | — |  |  | 205,178 |  |  | $55.04
Performance adjustments | (129,224) |  |  | — |  |  | (129,224) |  |  | $55.04
Vested | (225,530) |  |  | 225,530 |  |  | — |  |  |
Converted | — |  |  | (291,818) |  |  | (291,818) |  |  | $51.68
Cancelled | (31,403) |  |  | — |  |  | (31,403) |  |  | $54.08
Dividend equivalents | — |  |  | 380 |  |  | 380 |  |  | $56.99
Outstanding, December 31, 2023 | 418,403 |  |  | 236,492 |  |  | 654,895 |  |  | $53.51
Company's SARs | The activity related to the Company’s SARs for the year ended December 31, 2023 is as follows:
| Nonvested |  | Vested |  | Total |  | Weighted- average Exercise Price
Outstanding, December 31, 2022 | — |  |  | 764,806 |  |  | 764,806 |  |  | $ | 54.98 |
Vested | — |  |  | — |  |  | — |  |  |
Granted | — |  |  | — |  |  | — |  |  | $ | — |
Exercised | — |  |  | (26,671) |  |  | (26,671) |  |  | $ | 49.96 |
Forfeited/Expired | — |  |  | (8,620) |  |  | (8,620) |  |  | $ | — |
Outstanding, December 31, 2023 | — |  |  | 729,515 |  |  | 729,515 |  |  | $ | 55.13 |
Exercisable, December 31, 2023 | — |  |  | 729,515 |  |  | 729,515 |  |  | $ | 55.13 |
Schedule of other share-based compensation, activity | The activity related to deferred compensation for equity award units granted to both employees and non-employee directors combined is as follows:
| Total
Outstanding, December 31, 2022 | 287,015 |
Deferred | 36,254 |
Converted | (8,406) |
Dividend equivalents | 9,739 |
Outstanding, December 31, 2023 | 324,602 |

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- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of activity for outstanding award under share-based payment arrangement excluding share and unit options and nonvested award. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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