CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Total Stockholders' Equity	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive (Loss) Income	Non- controlling Interests
Balance at Dec. 31, 2021	$ 2,500.8	$ 2,480.7	$ 2.6	$ 4,166.6	$ (159.2)	$ (1,331.9)	$ (197.4)	$ 20.1
Balance (in shares) at Dec. 31, 2021			261,937,509
Balance (in shares) at Dec. 31, 2021					15,195,525
Increase (Decrease) in Stockholders' Equity
Net income (loss)	121.8	121.3				121.3		0.5
Other comprehensive loss, net of taxes	(90.0)	(88.0)					(88.0)	(2.0)
Exercise/ vesting of share based compensation	(23.9)	(23.9)	$ 0.1		$ (24.0)
Exercise/ vesting of share based compensation (in shares)			3,039,990		1,032,769
Issuance of common stock under Employee Stock Purchase Plan	0.7	0.7		0.7
Issuance of common stock under Employee Stock Purchase Plan (in shares)			35,566
Repurchases of common stock	(61.7)	(61.7)			$ (61.7)
Repurchases of common stock (in shares)					2,993,094
Dividends	(40.0)	(40.0)				(40.0)
Equity compensation expense	9.0	9.0		9.0
Changes in non-controlling interests	(1.5)	0.1		0.1				(1.6)
Balance at Jun. 30, 2022	2,415.2	2,398.2	$ 2.7	4,176.4	$ (244.9)	(1,250.6)	(285.4)	17.0
Balance (in shares) at Jun. 30, 2022			265,013,065
Balance (in shares) at Jun. 30, 2022					19,221,388
Balance at Mar. 31, 2022	2,513.5	2,494.9	$ 2.6	4,172.3	$ (201.8)	(1,295.9)	(182.3)	18.6
Balance (in shares) at Mar. 31, 2022			264,944,559
Balance (in shares) at Mar. 31, 2022					17,051,344
Increase (Decrease) in Stockholders' Equity
Net income (loss)	65.4	65.2				65.2		0.2
Other comprehensive loss, net of taxes	(103.4)	(103.1)					(103.1)	(0.3)
Exercise/ vesting of share based compensation	(0.1)	(0.1)	$ 0.1		$ (0.2)
Exercise/ vesting of share based compensation (in shares)			49,858		7,398
Issuance of common stock under Employee Stock Purchase Plan	0.3	0.3		0.3
Issuance of common stock under Employee Stock Purchase Plan (in shares)			18,648
Repurchases of common stock	(42.9)	(42.9)			$ (42.9)
Repurchases of common stock (in shares)					2,162,646
Dividends	(19.9)	(19.9)				(19.9)
Equity compensation expense	3.7	3.7		3.7
Changes in non-controlling interests	(1.4)	0.1		0.1				(1.5)
Balance at Jun. 30, 2022	2,415.2	2,398.2	$ 2.7	4,176.4	$ (244.9)	(1,250.6)	(285.4)	17.0
Balance (in shares) at Jun. 30, 2022			265,013,065
Balance (in shares) at Jun. 30, 2022					19,221,388
Balance at Dec. 31, 2022	$ 2,349.1	2,332.5	$ 2.7	4,185.9	$ (334.2)	(1,223.8)	(298.1)	16.6
Balance (in shares) at Dec. 31, 2022			265,062,533
Balance (in shares) at Dec. 31, 2022	24,300,000				24,272,748
Increase (Decrease) in Stockholders' Equity
Net income (loss)	$ 72.7	72.8				72.8		(0.1)
Other comprehensive loss, net of taxes	(64.2)	(63.8)					(63.8)	(0.4)
Exercise/ vesting of share based compensation	(7.6)	(7.6)			$ (7.6)
Exercise/ vesting of share based compensation (in shares)			1,028,085		368,961
Issuance of common stock under Employee Stock Purchase Plan	0.7	0.7		0.7
Issuance of common stock under Employee Stock Purchase Plan (in shares)			40,164
Dividends	(38.9)	(38.9)				(38.9)
Equity compensation expense	7.8	7.8		7.8
Changes in non-controlling interests	0.1							0.1
Balance at Jun. 30, 2023	$ 2,319.7	2,303.5	$ 2.7	4,194.4	$ (341.8)	(1,189.9)	(361.9)	16.2
Balance (in shares) at Jun. 30, 2023			266,130,782
Balance (in shares) at Jun. 30, 2023	24,600,000				24,641,709
Balance at Mar. 31, 2023	$ 2,371.3	2,354.7	$ 2.7	4,190.7	$ (341.5)	(1,200.4)	(296.8)	16.6
Balance (in shares) at Mar. 31, 2023			266,029,479
Balance (in shares) at Mar. 31, 2023					24,625,334
Increase (Decrease) in Stockholders' Equity
Net income (loss)	29.7	29.9				29.9		(0.2)
Other comprehensive loss, net of taxes	(65.5)	(65.1)					(65.1)	(0.4)
Exercise/ vesting of share based compensation	(0.3)	(0.3)			$ (0.3)
Exercise/ vesting of share based compensation (in shares)			80,330		16,375
Issuance of common stock under Employee Stock Purchase Plan	0.3	0.3		0.3
Issuance of common stock under Employee Stock Purchase Plan (in shares)			20,973
Dividends	(19.4)	(19.4)				(19.4)
Equity compensation expense	3.4	3.4		3.4
Changes in non-controlling interests	0.2							0.2
Balance at Jun. 30, 2023	$ 2,319.7	$ 2,303.5	$ 2.7	$ 4,194.4	$ (341.8)	$ (1,189.9)	$ (361.9)	$ 16.2
Balance (in shares) at Jun. 30, 2023			266,130,782
Balance (in shares) at Jun. 30, 2023	24,600,000				24,641,709