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v3.25.2

Equity (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Equity |
Summary of the status of the Company's restricted stock units and changes during the period | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Grant Date
​ | ​ | RSU and PSU | ​ | Fair Value
​ | ​ | Aggregate Units | ​ | Per Unit
Unvested as of January 1, 2025 | ​ | 327,017 | ​ | $ | 267.96
Granted(1) | ​ | 163,409 | ​ | ​ | 299.37
Vested | ​ | (1,260) | ​ | ​ | 263.38
Cancelled or forfeited | ​ | (5,792) | ​ | ​ | 273.86
Unvested as of June 30, 2025 | ​ | 483,374 | ​ | $ | 278.52
Shares reserved for future issuance (all plans) | ​ | 1,221,197 | ​ | ​ | ​
(1) | Comprised of 96,973 RSUs and 65,927 PSUs granted in February 2025; and 509 RSUs granted in May 2025. The RSUs cliff vest on December 1, 2027 and the PSUs vest upon the completion of a 3-year performance period ending December 31, 2027.
Schedule of share repurchase activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2025 | ​ | 2024
​ | ​ | ​ | ​ | Average Cost | ​ | ​ | ​ | ​ | ​ | ​ | Average Cost | ​ | ​ | ​
​ | ​ | Shares | ​ | Per Share | ​ | Amount | ​ | Shares | ​ | Per Share | ​ | Amount
​ | ​ | ​ | ​ | ​ | ​ | ​ | (in millions) | ​ | ​ | ​ | ​ | ​ | ​ | (in millions)
First quarter | ​ | 922,656 | ​ | $ | 274.41 | ​ | $ | 253.2 | ​ | — | ​ | $ | — | ​ | $ | —
Second quarter | ​ | 301,279 | ​ | ​ | 265.17 | ​ | ​ | 79.9 | ​ | 1,804,180 | ​ | ​ | 287.81 | ​ | ​ | 519.3
​ | ​ | 1,223,935 | ​ | $ | 272.13 | ​ | $ | 333.1 | ​ | 1,804,180 | ​ | $ | 287.81 | ​ | $ | 519.3
Schedule of accumulated other comprehensive loss | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Pension and | ​ | ​
​ | Foreign Currency | ​ | Postretirement Benefit | ​ | Accumulated Other
​ | Translation | ​ | Plan Adjustments, | ​ | Comprehensive
​ | (Loss) Gain |  | Net of Tax |  | (Loss) Income
​ | ​ | ​ | ​ | (in millions) | ​ | ​ | ​
Balance as of January 1, 2025 | $ | (119.7) | ​ | $ | 4.5 | ​ | $ | (115.2)
Current-period change | ​ | 31.0 | ​ | ​ | (2.0) | ​ | ​ | 29.0
Balance as of June 30, 2025 | $ | (88.7) | ​ | $ | 2.5 | ​ | $ | (86.2)

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