v3.26.3
Equities - Schedule of Outstanding Preferred Stock (Details)
$ / shares in Units, $ in Millions
 12 Months Ended
Aug. 31, 2026
USD ($)
$ / shares
shares
Class of Stock [Line Items]  
Liquidation preference (in dollars per share) | $ / shares $ 25.00
8% Cumulative Redeemable  
Class of Stock [Line Items]  
Shares Outstanding (in shares) | shares 12,272,003
Redemption Value $ 306.8
Net Proceeds $ 311.2
Dividend Rate (as a percent) 8.00%
Class B Cumulative Redeemable, Series 1  
Class of Stock [Line Items]  
Shares Outstanding (in shares) | shares 21,459,066
Redemption Value $ 536.5
Net Proceeds $ 569.3
Dividend Rate (as a percent) 7.875%
Class B Reset Rate Cumulative Redeemable, Series 2  
Class of Stock [Line Items]  
Shares Outstanding (in shares) | shares 16,800,000
Redemption Value $ 420.0
Net Proceeds $ 406.2
Dividend Rate (as a percent) 7.10%
Class B Reset Rate Cumulative Redeemable, Series 3  
Class of Stock [Line Items]  
Shares Outstanding (in shares) | shares 19,700,000
Redemption Value $ 492.5
Net Proceeds $ 476.7
Dividend Rate (as a percent) 6.75%
Dividend rate (as a percent) 6.75%
Class B Cumulative Redeemable, Series 4  
Class of Stock [Line Items]  
Shares Outstanding (in shares) | shares 20,700,000
Redemption Value $ 517.5
Net Proceeds $ 501.0
Dividend Rate (as a percent) 7.50%