Quarterly report [Sections 13 or 15(d)]

Fair Value Measurements - Accumulated Other Comprehensive Loss (Details)

v3.25.2
Fair Value Measurements - Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Increase (Decrease) in Shareholders' Equity        
Beginning balance $ 1,667,474 $ 1,789,143 $ 1,842,815 $ 1,667,835
Other comprehensive income/(loss) 5,746 (785) 19,831 (3,319)
Ending balance 1,773,036 1,818,715 1,773,036 1,818,715
Foreign currency translation adjustment        
Increase (Decrease) in Shareholders' Equity        
Beginning balance     (39,225)  
Other comprehensive income before reclassifications     231  
Amounts reclassified from accumulated other comprehensive loss     21,272  
Other comprehensive income/(loss)     21,503  
Ending balance (17,722)   (17,722)  
Net unrealized gain on derivatives, net of tax        
Increase (Decrease) in Shareholders' Equity        
Beginning balance     6,765  
Other comprehensive income before reclassifications     4,784  
Amounts reclassified from accumulated other comprehensive loss     (6,456)  
Other comprehensive income/(loss)     (1,672)  
Ending balance 5,093   5,093  
Total        
Increase (Decrease) in Shareholders' Equity        
Beginning balance (18,375) (30,149) (32,460) (27,615)
Other comprehensive income before reclassifications     5,015  
Amounts reclassified from accumulated other comprehensive loss     14,816  
Other comprehensive income/(loss)     19,831  
Ending balance $ (12,629) $ (30,934) $ (12,629) $ (30,934)