ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME, NET (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
AOCI Rollforward
Beginning balance	$ 3,985.0	$ 3,465.3	$ 3,604.8
Other comprehensive income (loss)	(39.0)	21.6	(86.6)
Ending balance	4,279.6	3,985.0	3,465.3
Accumulated other comprehensive income (loss), net
AOCI Rollforward
Beginning balance	(9.4)	(31.0)	55.6
Other comprehensive income (loss)	(39.0)	21.6	(86.6)
Ending balance	(48.4)	(9.4)	(31.0)
Foreign Currency Translation Adjustment
AOCI Rollforward
Beginning balance	(5.6)	(30.2)
Other comprehensive income (loss)	(43.0)	24.6
Ending balance	(48.6)	(5.6)	(30.2)
Available-for-sale Financial Investments
AOCI Rollforward
Beginning balance	(3.7)	(0.9)
Other comprehensive income (loss)	3.7	(2.8)
Ending balance	0.0	(3.7)	(0.9)
Post-Retirement Benefits
AOCI Rollforward
Beginning balance	(0.1)	0.1
Other comprehensive income (loss)	0.3	(0.2)
Ending balance	$ 0.2	$ (0.1)	$ 0.1