Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Consolidated net income	$ 369.9	$ 141.1	$ 70.5
Other comprehensive income (loss), net:
Foreign currency translation adjustment	(32.9)	12.6	(58.2)
Unrealized gains (losses) on securities:
Unrealized holding gains (losses) arising during period	2.8	2.1	(7.0)
Reclassification of net realized (gains) losses on investments included in net income	(2.8)	(2.2)	1.5
Other comprehensive income (loss), net	(32.9)	12.5	(63.7)
Comprehensive income	$ 337.0	$ 153.6	$ 6.8