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Inventories
6 Months Ended
Apr. 01, 2018
Inventory Disclosure [Abstract]  
Inventories
Inventories

Inventories are summarized as follows: 
 
 
April 1,
2018
 
October 1,
2017
Raw materials
 
$
55.3

 
$
42.5

Work in process
 
130.3

 
120.6

Finished goods
 
80.0

 
76.0

 
 
$
265.6

 
$
239.1