v3.24.1.u1
Fair Value Measurements (Tables)
6 Months Ended
Mar. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis  
Assets and liabilities measured at fair value on a recurring basis
March 31, 2024September 30, 2023
TotalLevel 1Level 2TotalLevel 1Level 2
Assets:
Deferred compensation investments$15.5 $15.5 $— $13.0 $13.0 $— 
Derivative assets13.8 — 13.8 25.6 — 25.6 
$29.3 $15.5 $13.8 $38.6 $13.0 $25.6 
Liabilities:
Deferred compensation liabilities$45.6 $— $45.6 $36.8 $— $36.8 
Derivative liabilities16.2 — 16.2 16.1 — 16.1 
$61.8 $— $61.8 $52.9 $— $52.9