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Other Intangible Assets and Goodwill (Finite-Lived Intangible Assets) (Details) - USD ($)
$ in Millions
 3 Months Ended
Dec. 29, 2019
Dec. 30, 2018
Sep. 29, 2019
Finite-Lived Intangible Assets [Line Items]      
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Dec 29, 2019Sep 29, 2019
(in millions)Gross Carrying AmountAccumulated AmortizationNet Carrying AmountGross Carrying AmountAccumulated AmortizationNet Carrying Amount
Acquired and reacquired rights$1,084.3  $(589.7) $494.6  $1,075.0  $(537.2) $537.8  
Acquired trade secrets and processes27.6  (19.9) 7.7  27.6  (19.2) 8.4  
Trade names, trademarks and patents41.1  (23.7) 17.4  40.6  (22.9) 17.7  
Licensing agreements15.9  (12.6) 3.3  16.2  (12.2) 4.0  
Other finite-lived intangible assets22.4  (12.8) 9.6  22.0  (11.5) 10.5  
Total finite-lived intangible assets$1,191.3  $(658.7) $532.6  $1,181.4  $(603.0) $578.4  
    
Finite-Lived Intangible Assets, Gross $ 1,191.3   $ 1,181.4
Finite-Lived Intangible Assets, Accumulated Amortization 658.7   603.0
Finite-Lived Intangible Assets, Net 532.6   578.4
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 54.1 $ 54.5  
Acquired and reacquired rights      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross 1,084.3   1,075.0
Finite-Lived Intangible Assets, Accumulated Amortization 589.7   537.2
Finite-Lived Intangible Assets, Net 494.6   537.8
Acquired trade secrets and processes [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross 27.6   27.6
Finite-Lived Intangible Assets, Accumulated Amortization 19.9   19.2
Finite-Lived Intangible Assets, Net 7.7   8.4
Trade Names, Trademarks and Patents [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross 41.1   40.6
Finite-Lived Intangible Assets, Accumulated Amortization 23.7   22.9
Finite-Lived Intangible Assets, Net 17.4   17.7
Licensing Agreements [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross 15.9   16.2
Finite-Lived Intangible Assets, Accumulated Amortization 12.6   12.2
Finite-Lived Intangible Assets, Net 3.3   4.0
Other Intangible Assets [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross 22.4   22.0
Finite-Lived Intangible Assets, Accumulated Amortization 12.8   11.5
Finite-Lived Intangible Assets, Net $ 9.6   $ 10.5