Inventory (Tables)

12 Months Ended

Sep. 29, 2017

Inventory, Net [Abstract]

Schedule Of Inventories

Inventory consists of the following (in millions):

	As of
	September 29, 2017		September 30, 2016
Raw materials	$	24.6	$	18.5
Work-in-process	330.6		255.5
Finished goods	123.0		140.4
Finished goods held on consignment by customers	15.3		9.6
Total inventory	$	493.5	$	424.0