Earnings per Share (EPS) - Calculation of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Basic EPS numerator:
Weighted average shares outstanding — basic	142,300,000	144,000,000.0	143,400,000	140,100,000
Dilutive impact of share-based compensation awards	600,000	1,800,000	700,000	1,500,000
Dilutive impact of 2028 Convertible Notes	16,100,000	16,100,000	16,100,000	10,900,000
Basic income per share	$ 1.27	$ 2.85	$ 3.14	$ 2.08
Loss from discontinued operations	(0.01)	(0.01)	(0.02)	(0.01)
Basic income per share	$ 1.26	$ 2.84	$ 3.12	$ 2.07
Income from continuing operations, net of income taxes	$ 204.1	$ 411.3	$ 488.2	$ 291.5
Add: Tax adjusted interest expense related to 2028 Convertible Notes	3.5	2.5	6.1	3.5
Loss from discontinued operations, net of income taxes	(1.3)	(0.7)	(2.6)	(1.5)
Less: Net income attributable to noncontrolling interests	23.6	1.1	37.9	0.0
Income from continuing operations attributable to common stockholders	180.5	410.2	450.3	291.5
Income from continuing operations attributable to common stockholders	184.0	412.7	456.4	295.0
Net income attributable to common stockholders	$ 182.7	$ 412.0	$ 453.8	$ 293.5
Weighted average shares outstanding — diluted	159,000,000.0	161,900,000	160,200,000	152,500,000
Less: Net income attributable to noncontrolling interests	$ 23.6	$ 1.1	$ 37.9	$ 0.0
Income from continuing operations attributable to common stockholders	184.0	412.7	456.4	295.0
Loss from discontinued operations, net of income taxes	(1.3)	(0.7)	(2.6)	(1.5)
Net income attributable to common stockholders	$ 179.2	$ 409.5	$ 447.7	$ 290.0
Diluted EPS attributable to common stockholders:
Income from continuing operations	$ 1.16	$ 2.55	$ 2.85	$ 1.93
Loss from discontinued operations	(0.01)	(0.01)	(0.02)	0
Net income attributable to common stockholders	$ 1.15	$ 2.54	$ 2.83	$ 1.93
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Impact of dilutive securities (in shares)	16,100,000	16,100,000	16,100,000	10,900,000
Dilutive impact of 2028 Convertible Notes	16,100,000	16,100,000	16,100,000	10,900,000