v3.25.0.1
Fair Value Measurements (Tables)
 3 Months Ended
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis  
Assets and liabilities measured at fair value on a recurring basis
December 31, 2024September 30, 2024
TotalLevel 1Level 2TotalLevel 1Level 2
Assets:
Deferred compensation investments$17.6 $17.6 $— $16.3 $16.3 $— 
Derivative assets14.3 — 14.3 5.3 — 5.3 
Equity security investments
43.8 43.8 — 35.7 35.7 — 
$75.7 $61.4 $14.3 $57.3 $52.0 $5.3 
Liabilities:
Deferred compensation liabilities$50.9 $— $50.9 $49.9 $— $49.9 
Derivative liabilities2.8 — 2.8 14.8 — 14.8 
$53.7 $— $53.7 $64.7 $— $64.7