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Borrowing Arrangements (Tables)
12 Months Ended
Sep. 30, 2020
Long-term Debt and Lease Obligation [Abstract]  
Components of Long-Term Debt
The components of our long-term debt are presented below.
 September 30,
 20202019
 (in millions)
5.5% Senior Notes$450.0 $450.0 
ABL Agreement— — 
Other2.5 2.1 
452.5 452.1 
Less deferred financing costs(4.9)(5.8)
Less current portion of long-term debt(1.1)(0.9)
Long-term debt$446.5 $445.4