Stock-Based Compensation - Restricted Stock and TSR (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average remaining period for recognition of unrecognized compensation costs	2 years
Granted (in dollars per share)	$ 70.56
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Unrecognized compensation expense	$ 58.4
Weighted-average remaining period for recognition of unrecognized compensation costs	1 year 10 months 24 days
Granted (in dollars per share)	$ 70.56	$ 74.38	$ 51.51
Intrinsic value of vested shares	$ 42.5	$ 18.3	$ 11.9
Total Stockholder Return Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 35.4
Weighted-average remaining period for recognition of unrecognized compensation costs	1 year 10 months 24 days
Granted (in dollars per share)	$ 105.87	$ 127.75	$ 95.31
Intrinsic value of vested shares	$ 33.6	$ 8.2	$ 8.8
Performance awards, measurement period	3 years
Total Stockholder Return Restricted Stock Awards | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentages attainable during period	0.00%
Total Stockholder Return Restricted Stock Awards | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentages attainable during period	200.00%