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Stock-Based Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2025

Share-Based Payment Arrangement, Noncash Expense [Abstract]

Share-Based Payment Arrangement, Restricted Stock Unit, Activity

Restricted Stock Units						Number of Restricted Stock Units						Weighted Average Grant-Date Fair Value Per Share
Outstanding as of December 31, 2024						533,447						$	407.15
Granted						102,035						471.21
Settled						(16,694)						521.79
Forfeited						(2,273)						474.74
Outstanding as of September 30, 2025						616,515						$	414.39

Schedule of Stock Based Compensation Expense

Stock-based compensation expense consists of the following:

(In millions)						For the Three Months Ended  September 30,												For the Nine Months Ended  September 30,
						2025						2024						2025						2024
Restricted stock units						$	11.4					$	2.4					$	33.3					$	7.5
Stock options						0.7						8.3						4.4						24.7
Total						$	12.1					$	10.7					$	37.7					$	32.2

Schedule of Future Share-Based Compensation Cost

Based on the stock-based awards that are currently outstanding, we expect to recognize future stock-based compensation expense as follows:

(in millions)
Year						Total Projected Stock-Based Compensation Expense
Remainder of 2025						$	12.2
2026						42.0
2027						33.5
2028						26.9
2029						18.9
Thereafter						76.8
Total						$	210.3

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Schedule of Future Share-Based Compensation Cost

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Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

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-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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