Inventory (Schedule Of Inventories) (Details) - USD ($) $ in Millions	Oct. 02, 2015	Oct. 03, 2014
Inventory, Net [Abstract]
Raw materials	$ 30.0	$ 45.4
Work-in-process	192.4	145.9
Finished goods	38.0	71.3
Finished goods held on consignment by customers	7.5	8.2
Total inventories	$ 267.9	$ 270.8