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Other Financial Information Other Financial Information (Components of Accrued Liabilities) (Details) - USD ($) $ in Thousands	Sep. 27, 2019	Sep. 28, 2018
Other Financial Information [Abstract]
Accrued payroll and related liabilities	$ 677,313	$ 633,404
Project-related accruals	58,835	40,378
Non project-related accruals	258,312	295,463
Insurance liabilities	83,968	58,666
Sales and other similar taxes	34,390	58,728
Deferred rent	68,914	58,252
Dividends payable	23,439	22,111
Deferred gain on ECR disposition	179,208	0
Total	$ 1,384,379	$ 1,167,002

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Insurance Liabilities

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Non Project Related Accruals

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Other Financial Information [Abstract]

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Project Related Accruals

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Sales And Other Similar Taxes

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. 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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Amount of gain on the sale of property that does not qualify for gain recognition as of the balance sheet date.

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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.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. 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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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.

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