Net Income Per Common Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Net income attributable to controlling interests	$ 263.9	$ 121.6	$ 249.0
Basic weighted average shares outstanding (in shares)	231.0	235.2	233.9
Diluted weighted average shares outstanding (in shares)	231.9	236.0	235.8
Net income per common share:
Basic net income per share (in dollars per share)	$ 1.14	$ 0.52	$ 1.06
Diluted net income per share (in dollars per share)	$ 1.14	$ 0.52	$ 1.06