Stock-based Compensation (Restricted Stock Units) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 28.4	$ 28.5	$ 30.1
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 10.5	$ 9.4	$ 10.8
Weighted-average fair value of grants, per share (in usd per share)	$ 551.56	$ 404.91	$ 0
Award service period	3 years