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Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 01, 2016	Mar. 27, 2015	Apr. 01, 2016	Mar. 27, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, Beginning Of Period	$ (12,923)	$ (2,188)	$ (11,462)	$ 3,014
Income Tax Effect - Benefit/(Expense)	(249)	(206)	293	(502)
Net Of Tax	4,325	(5,139)	2,764	(10,369)
Realized (Gains) - Investment Securities	347	(218)	478	204
Income Tax Effect - (Benefit)/Expense	(91)	13	(122)	27
Net Of Tax	256	(205)	356	(177)
Other Comprehensive Income (Loss), After Reclassifications, Net of Tax	4,581	(5,344)	(3,120)	(10,546)
Balance, End Of Period	(8,342)	(7,532)	(8,342)	(7,532)
Unrealized Gains/Losses On Available-For-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, Beginning Of Period	(510)	328	350	505
Unrealized Gains (Losses)	1,401	1,554	242	1,169
Income Tax Effect - Benefit/(Expense)	(94)	(507)	105	327
Net Of Tax	1,307	1,047	347	842
Realized (Gains) - Investment Securities	347	(218)	478	204
Income Tax Effect - (Benefit)/Expense	(91)	13	(122)	27
Net Of Tax	256	(205)	356	(177)
Other Comprehensive Income (Loss), After Reclassifications, Net of Tax	1,563	842	(703)	665
Balance, End Of Period	1,053	1,170	1,053	1,170
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, Beginning Of Period	(12,413)	(2,516)	(11,812)	2,509
Unrealized Gains (Losses)	3,173	(6,487)	2,229	(12,040)
Income Tax Effect - Benefit/(Expense)	(155)	301	188	(829)
Net Of Tax	3,018	(6,186)	2,417	(11,211)
Net Of Tax			2,417	11,211
Other Comprehensive Income (Loss), After Reclassifications, Net of Tax	3,018	(6,186)
Balance, End Of Period	$ (9,395)	$ (8,702)	$ (9,395)	$ (8,702)

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Other Comprehensive Income (Loss), After Reclassifications, Net of Tax

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Reclassification From Accumulated Other Comprehensive Income, Current Period, Tax

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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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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount before tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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