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Equity and Cost Investments (Tables)
12 Months Ended
Oct. 01, 2017
Equity Method Investments and Joint Ventures [Abstract]  
Schedule of Equity and Cost Method Investments
Equity and Cost Investments (in millions)
 
Oct 1,
2017
 
Oct 2,
2016
Equity method investments
$
432.8

 
$
305.7

Cost method investments
48.8

 
48.8

Total
$
481.6

 
$
354.5