v3.26.1
Intangible Assets, net (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Sep. 30, 2025
Finite-Lived Intangible Assets    
Intangible Asset, Finite-Lived, before Accumulated Amortization $ 3,664.2 $ 3,832.2
Intangible Asset, Finite-Lived, Accumulated Amortization (1,685.7) (1,631.6)
Intangible Asset, Finite-Lived, after Accumulated Amortization 1,978.5 2,200.6
Intangible Asset, Excluding Goodwill, after Accumulated Amortization    
Carrying amount, total 4,474.3 4,646.2
Other intangible assets, net 2,788.6 3,014.6
Trademarks, brands and licensing agreements    
Intangible Asset, Excluding Goodwill, Indefinite-Lived    
Carrying amount 810.1 814.0
Customer Relationships    
Finite-Lived Intangible Assets    
Intangible Asset, Finite-Lived, before Accumulated Amortization 2,555.3 2,699.8
Intangible Asset, Finite-Lived, Accumulated Amortization (1,250.2) (1,225.3)
Intangible Asset, Finite-Lived, after Accumulated Amortization 1,305.1 1,474.5
Trademarks, brands and licensing agreements    
Finite-Lived Intangible Assets    
Intangible Asset, Finite-Lived, before Accumulated Amortization 1,108.9 1,132.4
Intangible Asset, Finite-Lived, Accumulated Amortization (435.5) (406.3)
Intangible Asset, Finite-Lived, after Accumulated Amortization $ 673.4 $ 726.1