CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Total Stockholders' Equity	Preferred Stock	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive (Loss) Income	Non- controlling Interests
Balance at Dec. 31, 2019	$ 2,219.3	$ 2,220.9	$ 0.0	$ 2.6	$ 4,114.2	$ (78.9)	$ (1,536.5)	$ (280.5)	$ (1.6)
Balance (in shares) at Dec. 31, 2019			2,000,000	258,428,333		(8,277,198)
Increase (Decrease) in Stockholders' Equity
Net income	8.6	8.6					8.6
Other comprehensive loss, net of taxes	(54.4)	(54.4)						(54.4)
Exercise/ vesting of share based compensation	(1.7)	(1.7)			0.2	$ (1.9)
Exercise/ vesting of share based compensation (in shares)				475,987		162,333
Issuance of common stock under ESPP	0.3	0.3			0.3
Issuance of common stock under ESPP (in shares)				28,689
Preferred stock conversion (in shares)			(2,000,000)	2,000,000
Repurchases of common stock	(33.1)	(33.1)				$ (33.1)
Repurchases of common stock (in shares)						3,742,488
Equity compensation expense	2.4	2.4			2.4
Balance at Mar. 31, 2020	2,141.4	2,143.0	$ 0.0	$ 2.6	4,117.1	$ (113.9)	(1,527.9)	(334.9)	(1.6)
Balance (in shares) at Mar. 31, 2020			0	260,933,009		(12,182,019)
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		(14,229,280)
Increase (Decrease) in Stockholders' Equity
Net income	82.3	82.3					82.3
Other comprehensive loss, net of taxes	(45.3)	(45.3)						(45.3)
Exercise/ vesting of share based compensation	0.4	0.4			1.9	$ (1.5)
Exercise/ vesting of share based compensation (in shares)				416,413		84,426
Issuance of common stock under ESPP	0.3	0.3			0.3
Issuance of common stock under ESPP (in shares)				22,278
Repurchases of common stock (in shares)						1,700
Dividends ($0.05 per share)	(12.4)	(12.4)					(12.4)
Equity compensation expense	4.4	4.4			4.4
Balance at Mar. 31, 2021	$ 2,347.8	$ 2,349.5		$ 2.6	$ 4,129.5	$ (139.2)	$ (1,403.3)	$ (240.1)	$ (1.7)
Balance (in shares) at Mar. 31, 2021				261,768,818		(14,315,406)