Income Taxes - Contingency (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Income Tax Contingency [Line Items]
Current deferred income tax assets	$ 28,118	$ 27,134
Accumulated translation adjustment	2,229	1,357
Gross unrecognized tax benefits	24,300
Gross urecognized tax benefits, if recognized, would affect effective tax rate	16,400
Gross interest and penalties accrued	1,800	1,800
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Interest and Penalties [Roll Forward]
Balance as of the beginning of the year	21,893	21,378	$ 25,967
Tax positions related to current year:
Additions	311	346	1,008
Reductions	0	0	0
Tax positions related to prior year:
Additions	855	235	1,127
Reductions	0	0	0
Settlements	0	0	0
Lapses in statutes of limitations	(521)	(66)	(6,724)
Balance as of end of year	$ 22,538	$ 21,893	$ 21,378

Unrecognized Tax Benefits, Current Period Tax Positions [Abstract]

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The amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date, including interest and penalties

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Unrecognized Tax Benefits, Prior Period Tax Positions [Abstract]

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

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Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains on foreign currency transactions.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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