Other Financial Information (Components Of Accrued Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 27, 2013	Sep. 28, 2012
Other Financial Information [Abstract]
Accrued payroll and related liabilities	$ 688,391	$ 641,340
Project-related accruals	115,418	196,836
Insurance liabilities	48,209	63,908
Sales and other similar taxes	47,973	41,951
Deferred rent	57,581	41,342
Other	72,244	76,592
Total	$ 1,029,816	$ 1,061,969