v3.24.1.u1
Intangible Assets, net
 6 Months Ended
Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets, net INTANGIBLE ASSETS, NET
March 31, 2024September 30, 2023
Carrying
Amount		Accumulated
Amortization		Net
Amount		Carrying
Amount		Accumulated
Amortization		Net
Amount
Subject to amortization:
Customer relationships$2,622.5 $(1,011.0)$1,611.5 $2,535.5 $(940.7)$1,594.8 
Trademarks, brands and licensing agreements886.1 (324.4)561.7 885.8 (301.3)584.5 
3,508.6 (1,335.4)2,173.2 3,421.3 (1,242.0)2,179.3 
Not subject to amortization:
Trademarks and brands1,041.5 — 1,041.5 1,033.1 — 1,033.1 
$4,550.1 $(1,335.4)$3,214.7 $4,454.4 $(1,242.0)$3,212.4