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LONG-TERM DEBT (Tables)
6 Months Ended
Mar. 31, 2026
Debt Disclosure [Abstract]  
Long-term Debt
March 31,
2026
September 30,
2025
7.00% senior notes maturing in March 2030
$840.0 $840.0 
Revolving Credit Facility350.0 250.0 
Total principal amount of debt
$1,190.0 $1,090.0 
Less: Debt issuance costs, net5.0 5.7 
Long-term debt$1,185.0 $1,084.3