Share-Based Compensation - Total Share-Based Compensation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation expense	$ 16.4	$ 8.5
Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation expense	7.0	3.9
Performance share units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation expense	5.9	2.8
Stock options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation expense	$ 3.5	$ 1.8