Inventory (Tables)

9 Months Ended

Jun. 30, 2017

Inventory, Net [Abstract]

Schedule Of Inventories

Inventory consists of the following (in millions):

	As of
	June 30, 2017		September 30, 2016
Raw materials	$	20.9	$	18.5
Work-in-process	314.3		255.5
Finished goods	132.2		140.4
Finished goods held on consignment by customers	15.1		9.6
Total inventory	$	482.5	$	424.0