Inventories (Details) (USD $)	Sep. 29, 2012	Oct. 01, 2011
Inventory, Net [Abstract]
Raw materials	$ 337,657,000	$ 337,136,000
Work-in-process	47,182,000	46,330,000
Finished goods	72,852,000	72,370,000
Inventory, net	457,691,000	455,836,000
Customer deposits related to inventory	$ 34,800,000	$ 29,800,000