v3.26.3
Total Equity - Narrative (Details)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Jul. 10, 2026
shares
Jun. 30, 2026
shares
Apr. 27, 2026
shares
Nov. 30, 2026
$ / shares
Aug. 31, 2026
USD ($)
numberOfClass
$ / shares
shares
May 31, 2026
$ / shares
Feb. 28, 2026
$ / shares
Aug. 31, 2025
USD ($)
$ / shares
May 31, 2025
$ / shares
Feb. 28, 2025
$ / shares
Aug. 31, 2026
USD ($)
numberOfClass
$ / shares
shares
Aug. 31, 2025
USD ($)
$ / shares
Nov. 30, 2024
shares
Sep. 30, 2026
USD ($)
Nov. 30, 2025
$ / shares
shares
Sep. 19, 2025
$ / shares
shares
Apr. 27, 2023
$ / shares
shares
Class of Stock [Line Items]                                  
Preferred shares, authorized (in shares)         6,000,000.0           6,000,000.0       6,000,000.0 17,500 70,000
Preferred shares, par value (in dollars per share) | $ / shares         $ 1.00           $ 1.00       $ 1.00 $ 1.00 $ 1.00
Preferred stock, liquidation preference per share (in dollars per share) | $ / shares                               $ 500 $ 17,500
Exchange agreement, voting common stock to preferred stock ratio                               500 500
Exchange agreement, payment per share of voting common stock exchanged (in dollars per share) | $ / shares                                 $ 1.50
Shares converted (in shares)     9,200,000                            
Preferred stock, maximum shares (in shares)                               17,500  
Common stock, as-converted basis         19.60%           19.60%            
Common stock, number of classes of stock authorized | numberOfClass         2           2            
Conversion of stock, share converted ratio 100.00%   100.00%                            
Stock repurchased (in shares)                     8,300,000            
Stock repurchased | $                     $ 441.2            
Share price (in dollars per share) | $ / shares         $ 53.25           $ 53.25            
Shares withheld for tax withholding obligation (in shares)                     2,000,000.0            
Shares withheld for tax withholding obligation | $                     $ 108.2            
Dividends per common share (in dollars per share) | $ / shares         $ 0.40 $ 0.40 $ 0.40 $ 0.40 $ 0.40 $ 0.40 $ 1.20 $ 1.20          
Dividends - preferred shares | $         $ 0.0     $ 11.0     $ 22.1 $ 33.1          
Subsequent Event                                  
Class of Stock [Line Items]                                  
Share repurchase program, remaining authorized, amount | $                           $ 250.0      
Forecast                                  
Class of Stock [Line Items]                                  
Dividends per common share (in dollars per share) | $ / shares       $ 0.40                          
Open Market                                  
Class of Stock [Line Items]                                  
Stock repurchased (in shares)                     6,300,000            
Stock repurchased | $                     $ 333.0            
Related Party | Sumitomo Mitsui Banking Corporation Agreement                                  
Class of Stock [Line Items]                                  
Ownership percentage                               5.00%  
Sumitomo Mitsui Banking Corporation Agreement | Related Party                                  
Class of Stock [Line Items]                                  
Common stock, fully diluted, as-converted basis                               20.00%  
Common stock, as-converted basis                               20.00%  
Voting Common Stock                                  
Class of Stock [Line Items]                                  
Shares converted (in shares)         3,800,000               27,600,000        
Non-voting Common Stock                                  
Class of Stock [Line Items]                                  
Shares converted (in shares) 3,800,000 27,600,000     55,125           27,562,500            
Preferred Stock                                  
Class of Stock [Line Items]                                  
Shares converted (in shares)   55,125                     55,125