Other Financial Information (Components Of Accrued Liabilities) (Details) (USD $) In Thousands	Sep. 30, 2011	Oct. 01, 2010
Other Financial Information
Accrued payroll and related liabilities	$ 535,631	$ 419,513
Project-related accruals	125,742	71,465
Insurance liabilities	54,945	63,751
Sales and other similar taxes	38,395	34,385
Deferred rent	20,021	13,019
Other	62,483	59,145
Total	$ 837,217	$ 661,278

For a classified balance sheet, the cumulative difference as of the balance sheet date between the payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, within one year of the balance sheet date.

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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