Inventory (Schedule Of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 30, 2011	Sep. 30, 2011
Inventory, Net [Abstract]
Raw materials	$ 22,255	$ 18,565
Work in process	90,333	92,601
Finished goods	55,160	73,633
Finished goods on consignment at customers	9,772	13,384
Total inventory	$ 177,520	$ 198,183