CONSOLIDATED STATEMENT 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, 2020	$ 2,318.1	$ 2,319.8	$ 2.6	$ 4,122.9	$ (137.7)	$ (1,473.2)	$ (194.8)	$ (1.7)
Balance (in shares) at Dec. 31, 2020			261,330,127
Balance (in shares) at Dec. 31, 2020					14,229,280
Increase (Decrease) in Stockholders'
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	203.7	203.3				203.3		0.4
Other comprehensive income (loss), net of taxes	(15.2)	(2.6)					(2.6)	(12.6)
Issuance of common stock under Employee Stock Purchase Plan	1.2	1.2		1.2
Issuance of common stock under employee stock purchase plan (in shares)			72,067
Repurchases of common stock	(19.6)	(19.6)			$ (19.6)
Repurchase of common stock (in shares)					864,359
Dividends	(62.0)	(62.0)				(62.0)
Equity compensation expense	40.4	40.4		40.4
Shares Withheld For Vesting Purposes, Value					$ (1.9)
Shares withheld for vesting purposes, shares					100,000
Exercise/ vesting of stock-based compensation	0.2	0.2		2.1	$ (1.9)
Exercise/ vesting of stock based compensation (in shares)			535,315		101,886
Acquisition of non-controlling interests	34.2
Changes in non-controlling interests	(0.2)							(0.2)
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'
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	188.0	187.2				187.2		0.8
Other comprehensive income (loss), net of taxes	(102.9)	(100.7)					(100.7)	(2.2)
Issuance of common stock under Employee Stock Purchase Plan	1.3	1.3		1.3
Issuance of common stock under employee stock purchase plan (in shares)			79,075
Repurchases of common stock	(151.0)	(151.0)			$ (151.0)
Repurchase of common stock (in shares)					8,042,587
Dividends	(79.1)	(79.1)				(79.1)
Equity compensation expense	18.1	18.1		18.1
Shares Withheld For Vesting Purposes, Value					$ (24.0)
Shares withheld for vesting purposes, shares					1,000,000
Exercise/ vesting of stock-based compensation	(23.9)	(23.9)	$ 0.1		$ (24.0)
Exercise/ vesting of stock based compensation (in shares)			3,045,949		1,034,636
Changes in non-controlling interests	(2.2)	(0.1)		(0.1)				(2.1)
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'
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 118.2	118.1				118.1		0.1
Other comprehensive income (loss), net of taxes	(48.4)	(47.8)					(47.8)	(0.6)
Issuance of common stock under Employee Stock Purchase Plan	1.3	1.3		1.3
Issuance of common stock under employee stock purchase plan (in shares)			78,375
Dividends	(77.6)	(77.6)				(77.6)
Equity compensation expense	9.7	9.7		9.7
Shares Withheld For Vesting Purposes, Value					$ (7.7)
Shares withheld for vesting purposes, shares					372,007
Exercise/ vesting of stock-based compensation	(7.7)	(7.7)	$ 0.0
Exercise/ vesting of stock based compensation (in shares)			1,038,192
Changes in non-controlling interests	(0.3)							(0.3)
Balance at Dec. 31, 2023	$ 2,344.3	$ 2,328.5	$ 2.7	$ 4,196.9	$ (341.9)	$ (1,183.3)	$ (345.9)	$ 15.8
Balance (in shares) at Dec. 31, 2023			266,179,100
Balance (in shares) at Dec. 31, 2023	24,600,000				24,644,755