Inventory (Schedule Of Inventories) (Details) - USD ($) $ in Millions	Jul. 03, 2015	Oct. 03, 2014
Inventory, Net [Abstract]
Raw materials	$ 22.6	$ 45.4
Work-in-process	190.4	145.9
Finished goods	50.4	71.3
Finished goods held on consignment by customers	9.3	8.2
Total inventory	$ 272.7	$ 270.8