Inventories (Schedule Of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013	Sep. 28, 2013
Inventory, Net [Abstract]
Raw materials	$ 310,643	$ 288,559
Work-in-process	63,494	57,883
Finished goods	66,345	57,578
Inventory, net	440,482	404,020
Customer Deposits Related to Inventory [Line Items]
Customer deposits related to inventory	42,000	51,600
Juniper Networks [Member]
Customer Deposits Related to Inventory [Line Items]
Customer deposits related to inventory	$ 11,000