v3.26.1
Affiliate Equity - Schedule of Changes in the Company's Interest in its Affiliates on the Controlling Interest's Equity (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Affiliate Equity [Abstract]        
Net income (controlling interest) $ 185.9 $ 84.3 $ 296.3 $ 156.6
(Decrease) increase in controlling interest paid-in capital from Affiliate equity issuances (7.1) (0.1) (7.6) 0.3
Increase (decrease) in controlling interest paid-in capital from Affiliate equity purchases (13.1) 20.6 (29.3) 8.6
Net income (controlling interest) including the net impact of Affiliate equity transactions $ 165.7 $ 104.8 $ 259.4 $ 165.5