Quarterly report [Sections 13 or 15(d)]

Debt And Derivatives - Schedule of Debt (Details)

v3.25.2
Debt And Derivatives - Schedule of Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Sep. 30, 2024
Debt Instrument [Line Items]    
Debt principal $ 1,670,583  
Total debt principal 1,670,583 $ 1,145,819
Less: Unamortized debt-issuance costs and discounts (13,338) (13,726)
Total debt 1,657,245 1,132,093
Less: Current portion of long-term debt (48,263) (40,139)
Long-term debt 1,608,982 1,091,954
Secured Debt | Term Loan A (TLA)    
Debt Instrument [Line Items]    
Debt principal 864,375 641,875
Secured Debt | Term Loan B (TLB)    
Debt Instrument [Line Items]    
Debt principal 495,000 498,750
Revolver | Revolving Credit Facility    
Debt Instrument [Line Items]    
Debt principal 310,000 0
Subsidiary loan agreements    
Debt Instrument [Line Items]    
Subsidiary loan agreements $ 1,208 $ 5,194