v3.20.4
Intangible Assets, net (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Sep. 30, 2020
Finite-Lived Intangible Assets    
Finite-Lived Intangible Assets, Gross $ 3,115.0 $ 3,102.9
Finite-Lived Intangible Assets, Accumulated Amortization (994.6) (951.9)
Finite-Lived Intangible Assets, Net 2,120.4 2,151.0
Intangible Assets, Net (Excluding Goodwill)    
Carrying amount, total 4,177.1 4,149.4
Other intangible assets, net 3,182.5 3,197.5
Trademarks and brands    
Indefinite-Lived Intangible Assets (Excluding Goodwill)    
Carrying amount 1,062.1 1,046.5
Customer Relationships    
Finite-Lived Intangible Assets    
Finite-Lived Intangible Assets, Gross 2,315.1 2,304.8
Finite-Lived Intangible Assets, Accumulated Amortization (713.7) (681.9)
Finite-Lived Intangible Assets, Net 1,601.4 1,622.9
Customer Relationships | Supreme Protein    
Finite-Lived Intangible Assets    
Finite-Lived Intangible Assets, Net 18.7  
Trademarks and brands    
Finite-Lived Intangible Assets    
Finite-Lived Intangible Assets, Gross 796.8 795.0
Finite-Lived Intangible Assets, Accumulated Amortization (277.8) (266.9)
Finite-Lived Intangible Assets, Net 519.0 528.1
Trademarks and brands | Supreme Protein    
Finite-Lived Intangible Assets    
Finite-Lived Intangible Assets, Net 11.8  
Other Intangible Assets    
Finite-Lived Intangible Assets    
Finite-Lived Intangible Assets, Gross 3.1 3.1
Finite-Lived Intangible Assets, Accumulated Amortization (3.1) (3.1)
Finite-Lived Intangible Assets, Net $ 0.0 $ 0.0