v3.26.1
Derivative Instruments and Hedging Activities - Pre-tax Effects of Derivative Instruments on Consolidated Statements of Income (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Derivative [Line Items]      
Amount of gain (loss) recognized in other comprehensive income $ 11,640 $ (5,490) $ 20,197
Amount of gain reclassified from accumulated other comprehensive income (loss) to interest expense 169,030 189,533 186,274
Interest rate contracts | Reclassification out of Accumulated Other Comprehensive Income | Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest      
Derivative [Line Items]      
Amount of gain reclassified from accumulated other comprehensive income (loss) to interest expense 14,419 26,470 37,185
Amount of gain (loss) reclassified from accumulated other comprehensive income to interest income 202 $ (57) $ (247)
Income Statement Location: us-gaap:InterestAndDividendIncomeOperating      
Derivative [Line Items]      
Amount of gain (loss) reclassified from accumulated other comprehensive income to interest income $ 202