Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Beginning balance	$ 220.7	$ 218.8
Additions	9.4
Beginning balance, accumulated impairment losses	(33.3)	(36.8)
Beginning balance, net	187.4	182.0
Foreign currency fluctuations	(12.0)	1.9
Foreign currency fluctuations, accumulated impairment losses	0.8	3.5
Foreign currency fluctuations, net	(11.2)	5.4
Ending balance	218.1	220.7
Ending balance, accumulated impairment losses	(32.5)	(33.3)
Ending balance, net	$ 185.6	$ 187.4