XML 43 R31.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Fair Value (Tables)
6 Months Ended
Mar. 31, 2024
Fair Value Disclosures [Abstract]  
Fair Value, by Balance Sheet Grouping [Table Text Block]
Fair Value at March 31, 2024
 Carrying ValueLevel 1Level 2Level 3Total
 (in millions)
Cash and cash equivalents (a)
$416.2 $416.2 $— $— $416.2 
Debt (b) (c)
705.7 — 671.7 9.9 681.6 
Fair Value at September 30, 2023
Carrying ValueLevel 1Level 2 Level 3Total
(in millions)
Cash and cash equivalents (a)
$616.0 $616.0 $— $— $616.0 
Debt (b)
695.0 — 633.2 — 633.2