Quarterly report [Sections 13 or 15(d)]

Debt And Derivatives - Schedule of Debt (Details)

v3.26.1
Debt And Derivatives - Schedule of Debt (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Sep. 30, 2025
Debt Instrument [Line Items]    
Debt principal $ 1,546,875  
Total debt principal 1,546,875 $ 1,346,875
Less: Unamortized debt-issuance costs and discounts (11,129) (12,602)
Total debt 1,535,746 1,334,273
Less: Current portion of long-term debt (63,930) (52,680)
Long-term debt 1,471,816 1,281,593
Term Loan | Term Loan A (TLA)    
Debt Instrument [Line Items]    
Debt principal 830,625 853,125
Term Loan | Term Loan B (TLB)    
Debt Instrument [Line Items]    
Debt principal 491,250 493,750
Revolver | Revolver    
Debt Instrument [Line Items]    
Debt principal $ 225,000 $ 0