v3.26.1
Pension Benefit Obligations - Narrative (Details)
$ in Millions
 9 Months Ended
Jun. 30, 2026
USD ($)
U.S.  
Defined Benefit Plan Disclosure [Line Items]  
Total amounts of employer contributions paid $ 6.9
Expected remaining scheduled annual employer contributions for the current fiscal year 4.1
Int’l  
Defined Benefit Plan Disclosure [Line Items]  
Total amounts of employer contributions paid 18.4
Expected remaining scheduled annual employer contributions for the current fiscal year $ 6.5