CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-in Capital	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Treasury Stock
Balance at beginning of period (in shares) at Dec. 31, 2021			186.2
Balance at beginning of period at Dec. 31, 2021	$ 3,682.9	$ (44.7)	$ 1.9	$ 3,051.6	$ (57.1)	$ 682.2	$ 12.4	$ (27.3)	$ (25.5)
Treasury stock, balance at beginning of period (in shares) at Dec. 31, 2021									1.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquisition of treasury stock (in shares)									(1.5)
Acquisition of treasury stock	(34.2)								$ (34.2)
Compensatory awards released from restriction (in shares)									1.0
Compensatory awards released from restriction	0.0			(24.0)					$ 24.0
Share-based compensation	13.8			13.8
Equity adjustment from foreign currency translation	(13.4)							(13.4)
Change in fair value of derivative instruments, net of tax	9.4							9.4
Net income (loss)	86.7					86.7
Balance at end of period (in shares) at Mar. 31, 2022			186.2
Balance at end of period at Mar. 31, 2022	3,700.5		$ 1.9	2,984.3		781.3		(31.3)	$ (35.7)
Treasury stock, balance at end of period (in shares) at Mar. 31, 2022									1.5
Balance at beginning of period (in shares) at Dec. 31, 2021			186.2
Balance at beginning of period at Dec. 31, 2021	3,682.9	$ (44.7)	$ 1.9	3,051.6	$ (57.1)	682.2	$ 12.4	(27.3)	$ (25.5)
Treasury stock, balance at beginning of period (in shares) at Dec. 31, 2021									1.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	230.6
Balance at end of period (in shares) at Sep. 30, 2022			186.2
Balance at end of period at Sep. 30, 2022	3,806.5		$ 1.9	3,004.2		925.2		(92.6)	$ (32.2)
Treasury stock, balance at end of period (in shares) at Sep. 30, 2022									(1.3)
Balance at beginning of period (in shares) at Mar. 31, 2022			186.2
Balance at beginning of period at Mar. 31, 2022	3,700.5		$ 1.9	2,984.3		781.3		(31.3)	$ (35.7)
Treasury stock, balance at beginning of period (in shares) at Mar. 31, 2022									1.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquisition of treasury stock	(0.3)			0.2					$ (0.5)
Exercise of stock options	0.1			(0.2)					$ 0.3
Compensatory awards released from restriction (in shares)									0.1
Compensatory awards released from restriction	0.0			(1.8)					$ 1.8
Share-based compensation	13.2			13.2
Equity adjustment from foreign currency translation	(33.2)							(33.2)
Change in fair value of derivative instruments, net of tax	4.5							4.5
Net income (loss)	105.4					105.4
Balance at end of period (in shares) at Jun. 30, 2022			186.2
Balance at end of period at Jun. 30, 2022	3,790.2		$ 1.9	2,995.7		886.7		(60.0)	$ (34.1)
Treasury stock, balance at end of period (in shares) at Jun. 30, 2022									1.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquisition of treasury stock	(1.0)								$ (1.0)
Exercise of stock options	0.5			(0.3)					$ 0.8
Compensatory awards released from restriction (in shares)									0.1
Compensatory awards released from restriction	0.0			(2.2)					$ 2.2
Share-based compensation	10.4			10.4
Equity adjustment from foreign currency translation	(38.0)							(38.0)
Change in fair value of derivative instruments, net of tax	5.4							5.4
Issuance of common stock related to convertible notes	0.5			0.5
Capped call transaction related to convertible note conversion	0.0			0.1					(0.1)
Net income (loss)	38.5					38.5
Balance at end of period (in shares) at Sep. 30, 2022			186.2
Balance at end of period at Sep. 30, 2022	3,806.5		$ 1.9	3,004.2		925.2		(92.6)	$ (32.2)
Treasury stock, balance at end of period (in shares) at Sep. 30, 2022									(1.3)
Balance at beginning of period (in shares) at Dec. 31, 2022			186.2
Balance at beginning of period at Dec. 31, 2022	$ 3,774.3		$ 1.9	3,012.7		852.5		(61.5)	$ (31.3)
Treasury stock, balance at beginning of period (in shares) at Dec. 31, 2022	1.3								(1.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquisition of treasury stock (in shares)									(0.4)
Acquisition of treasury stock	$ (9.2)								$ (9.2)
Exercise of stock options (in shares)									0.2
Exercise of stock options	3.6			(1.2)					$ 4.8
Compensatory awards released from restriction (in shares)									0.9
Compensatory awards released from restriction	0.0			(21.3)					$ 21.3
Share-based compensation	12.4			12.4
Equity adjustment from foreign currency translation	5.3							5.3
Change in fair value of derivative instruments, net of tax	(0.3)							(0.3)
Net income (loss)	25.0					25.0
Balance at end of period (in shares) at Mar. 31, 2023			186.2
Balance at end of period at Mar. 31, 2023	3,811.1		$ 1.9	3,002.6		877.5		(56.5)	$ (14.4)
Treasury stock, balance at end of period (in shares) at Mar. 31, 2023									(0.6)
Balance at beginning of period (in shares) at Dec. 31, 2022			186.2
Balance at beginning of period at Dec. 31, 2022	$ 3,774.3		$ 1.9	3,012.7		852.5		(61.5)	$ (31.3)
Treasury stock, balance at beginning of period (in shares) at Dec. 31, 2022	1.3								(1.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 172.1
Balance at end of period (in shares) at Sep. 30, 2023			187.0
Balance at end of period at Sep. 30, 2023	$ 3,951.9		$ 1.9	3,025.0		1,024.6		(54.3)	$ (45.3)
Treasury stock, balance at end of period (in shares) at Sep. 30, 2023	2.4								(2.4)
Balance at beginning of period (in shares) at Mar. 31, 2023			186.2
Balance at beginning of period at Mar. 31, 2023	$ 3,811.1		$ 1.9	3,002.6		877.5		(56.5)	$ (14.4)
Treasury stock, balance at beginning of period (in shares) at Mar. 31, 2023									(0.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquisition of treasury stock (in shares)									(1.0)
Acquisition of treasury stock	(18.1)								$ (18.1)
Exercise of stock options	0.1			(0.4)					$ 0.5
Compensatory awards released from restriction (in shares)									0.1
Compensatory awards released from restriction	0.0			(2.4)					$ 2.4
Share-based compensation	12.4			12.4
Equity adjustment from foreign currency translation	(1.7)							(1.7)
Change in fair value of derivative instruments, net of tax	11.5							11.5
Net income (loss)	117.4					117.4
Balance at end of period (in shares) at Jun. 30, 2023			186.2
Balance at end of period at Jun. 30, 2023	3,932.7		$ 1.9	3,012.2		994.9		(46.7)	$ (29.6)
Treasury stock, balance at end of period (in shares) at Jun. 30, 2023									(1.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquisition of treasury stock (in shares)									(1.0)
Acquisition of treasury stock	$ (16.7)								$ (16.7)
Issuance of common stock (in shares)	0.8
Exercise of stock options	$ 0.2			(0.2)					$ 0.4
Compensatory awards released from restriction (in shares)									0.1
Compensatory awards released from restriction	0.0			(0.6)					$ 0.6
Share-based compensation	13.6			13.6
Equity adjustment from foreign currency translation	(14.4)							(14.4)
Change in fair value of derivative instruments, net of tax	6.8							6.8
Net income (loss)	29.7					29.7
Balance at end of period (in shares) at Sep. 30, 2023			187.0
Balance at end of period at Sep. 30, 2023	$ 3,951.9		$ 1.9	$ 3,025.0		$ 1,024.6		$ (54.3)	$ (45.3)
Treasury stock, balance at end of period (in shares) at Sep. 30, 2023	2.4								(2.4)