v3.26.1
LONG-TERM DEBT - Schedule of Interest Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Debt Instrument [Line Items]        
Cash Interest $ 20,169 $ 23,041    
Capitalized interest (81) (213) $ (285) $ (579)
Cash Interest     61,291 69,683
Amort. Debt (Premium)/Discount 15 23 56 68
Amort. Debt Issuance Costs & Other Fees 940 1,004 2,907 3,012
Total Interest Expense $ 21,124 $ 24,068 $ 64,254 $ 72,763
Senior notes due 2028        
Debt Instrument [Line Items]        
Effective Interest Rate 6.00% 6.00% 6.00% 6.00%
Cash Interest $ 14,021 $ 14,013 $ 42,045 $ 42,045
Amort. Debt (Premium)/Discount (12) (12) (36) (36)
Amort. Debt Issuance Costs & Other Fees 506 505 1,515 1,515
Total Interest Expense $ 14,515 $ 14,506 $ 43,524 $ 43,524
Term loan B due 2029        
Debt Instrument [Line Items]        
Effective Interest Rate 6.10% 6.80% 6.20% 7.00%
Cash Interest $ 5,263 $ 7,363 $ 17,651 $ 22,746
Amort. Debt (Premium)/Discount 27 35 92 104
Amort. Debt Issuance Costs & Other Fees 248 313 833 938
Total Interest Expense 5,538 7,711 18,576 23,788
Revolver due 2028        
Debt Instrument [Line Items]        
Cash Interest 958 1,808 1,863 5,354
Amort. Debt (Premium)/Discount 0 0 0 0
Amort. Debt Issuance Costs & Other Fees 186 186 559 559
Total Interest Expense 1,144 1,994 2,422 5,913
Other debt        
Debt Instrument [Line Items]        
Cash Interest     17 117
Amort. Debt (Premium)/Discount     0 0
Amort. Debt Issuance Costs & Other Fees     0 0
Total Interest Expense     $ 17 $ 117
Other debt        
Debt Instrument [Line Items]        
Cash Interest 8 70    
Amort. Debt (Premium)/Discount 0 0    
Amort. Debt Issuance Costs & Other Fees 0 0    
Total Interest Expense $ 8 $ 70