Condensed Consolidated Statements of Stockholders Equity (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total stockholders' equity	Noncontrolling Interests
Balance at Dec. 31, 2022	$ 4,681.2	$ 0.0	$ 1,812.4	$ 3,714.3	$ (868.9)	$ 4,657.8	$ 23.4
Balance, Shares at Dec. 31, 2022		103.2
Net income	46.0	$ 0.0	0.0	45.9	0.0	45.9	0.1
Dividends on common shares	(53.8)	0.0	0.0	(53.8)	0.0	(53.8)	0.0
Repurchases of Company shares	(30.4)	$ 0.0	(30.4)	0.0	0.0	(30.4)	0.0
Repurchases of Company shares, shares		(0.6)
Shares issued in connection with share-based compensation	(6.0)	$ 0.0	(4.9)	(1.1)	0.0	(6.0)	0.0
Shares issued in connection with share-based compensation, shares		0.7
Share-based compensation	23.0	$ 0.0	23.0	0.0	0.0	23.0	0.0
Net activity related to noncontrolling interests	(1.1)	0.0	0.0	0.0	0.0	0.0	(1.1)
Other comprehensive income (loss)	113.0	0.0	0.0	0.0	113.0	113.0	0.0
Balance at Mar. 31, 2023	4,771.9	$ 0.0	1,800.1	3,705.3	(755.9)	4,749.5	22.4
Balance, Shares at Mar. 31, 2023		103.3
Balance at Dec. 31, 2023	$ 4,862.8	$ 0.0	1,793.3	3,710.6	(655.8)	4,848.1	14.7
Balance, Shares at Dec. 31, 2023	103.1	103.1
Net income	$ 46.7	$ 0.0	0.0	46.7	0.0	46.7	0.0
Dividends on common shares	(54.9)	0.0	0.0	(54.9)	0.0	(54.9)	0.0
Repurchases of Company shares	(3.5)	$ 0.0	(3.5)	0.0	0.0	(3.5)	0.0
Repurchases of Company shares, shares		(0.1)
Shares issued in connection with share-based compensation	(8.0)	$ 0.0	(7.2)	(0.8)	0.0	(8.0)	0.0
Shares issued in connection with share-based compensation, shares		0.7
Share-based compensation	23.4	$ 0.0	23.4	0.0	0.0	23.4	0.0
Net activity related to noncontrolling interests	4.1	0.0	0.0	0.0	0.0	0.0	4.1
Other comprehensive income (loss)	(64.7)	0.0	0.0	0.0	(64.7)	(64.7)	0.0
Balance at Mar. 31, 2024	$ 4,805.9	$ 0.0	$ 1,806.0	$ 3,701.6	$ (720.5)	$ 4,787.1	$ 18.8
Balance, Shares at Mar. 31, 2024	103.7	103.7