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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

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Tax year being audited in the income tax examination, in CCYY format.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to repatriation of foreign earnings.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of unrecognized tax benefits.

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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	Sep. 29, 2017	Sep. 30, 2016	Oct. 02, 2015	Sep. 26, 2014
Income Tax Contingency [Line Items]
Valuation Allowance	$ 58,097	$ 41,684
Effective income tax rate reconciliation US Statutory rate	35.00%	35.00%	35.00%
Effective income tax rate (percent)	26.90%	25.20%	23.50%
Undistributed earnings of the Company's foreign subsidiaries expected to be reinvested	$ 26,100
Income tax payable upon repatriation of earnings	6,000
Gross unrecognized tax benefits	38,580	$ 44,167	$ 42,666	$ 41,923
Accrued interest and penalties	$ 36,600	36,400
Estimated period of unrecognized tax benefits (in months)	12 months
Earliest Tax Year
Income Tax Contingency [Line Items]
Income tax return years subject to examination	2015
Foreign Country
Income Tax Contingency [Line Items]
Loss carry forwards of foreign subsidiaries	$ 490,900	$ 483,400
Gross unrecognized tax benefits	6,500
Foreign Country \| Expiring Between 2018 and 2037
Income Tax Contingency [Line Items]
Loss carry forwards of foreign subsidiaries	117,100
Foreign Country \| No Expiration Date
Income Tax Contingency [Line Items]
Loss carry forwards of foreign subsidiaries	$ 373,800