Inventory (Tables)

12 Months Ended

Sep. 28, 2018

Inventory, Net [Abstract]

Schedule Of Inventories

Inventory consists of the following (in millions):

	As of
	September 28, 2018		September 29, 2017
Raw materials	$	20.2	$	24.6
Work-in-process	340.7		330.6
Finished goods	124.8		123.0
Finished goods held on consignment by customers	4.5		15.3
Total inventory	$	490.2	$	493.5