Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Millions	Total	Total Equity	Total Equity Adjustment	Total Equity Adjusted balance	Common Stock	Common Stock Adjusted balance	Additional Paid-in Capital	Additional Paid-in Capital Adjustment	Additional Paid-in Capital Adjusted balance	Retained Earnings	Retained Earnings Adjustment	Retained Earnings Adjusted balance	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss Adjusted balance	Noncontrolling Interests	Noncontrolling Interests Adjusted balance
Balance, beginning of period at Dec. 31, 2020		$ 3,720.6			$ 1.6		$ 3,684.4			$ 126.4			$ (91.8)		$ 0.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock-based award activity		41.4					41.4
Separation related adjustments		6.8					6.8
Accounting Standards Update [Extensible List]	Accounting Standards Update 2020-06 [Member]
Net (loss) income	$ 340.5	340.5								340.5
Other comprehensive income	(51.7)	(51.7)											(51.7)
Balance, end of period at Dec. 31, 2021		4,057.6	$ (56.4)	$ 4,001.2	1.6	$ 1.6	3,732.6	$ (77.8)	$ 3,654.8	466.9	$ 21.4	$ 488.3	(143.5)	$ (143.5)	0.4	$ 0.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock-based award activity	44.2						44.2
Change in noncontrolling interest															(0.4)
Net (loss) income	243.1	243.1								243.1
Other comprehensive income	(81.6)	(81.6)											(81.6)
Balance, end of period at Dec. 31, 2022	4,206.9	4,206.9			1.6		3,699.0			731.4			(225.1)		0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock-based award activity		35.1					35.1
Partial exchange of convertible notes due 2025 and partial unwind of capped call transactions	24.2				0.1		24.1
Net (loss) income	(100.2)	(100.2)								(100.2)
Other comprehensive income	7.9	7.9											7.9
Balance, end of period at Dec. 31, 2023	$ 4,173.9	$ 4,173.9			$ 1.7		$ 3,758.2			$ 631.2			$ (217.2)		$ 0.0