Stock-Based Compensation - Additional Information Related to Restricted Stock (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Restricted stock awards
Stock-based compensation
Weighted-average grant date fair value (in dollars per share)	$ 387.39	$ 337.83	$ 250.83
Intrinsic value of restricted stock awards vested (in millions)	$ 12.7	$ 18.5	$ 10.7
Performance share awards
Stock-based compensation
Weighted-average grant date fair value (in dollars per share)	$ 570.01	$ 467.92	$ 368.47
Intrinsic value of performance share awards vested (in millions)	$ 24.8	$ 31.0	$ 19.9