Other Comprehensive Income (Loss) (Schedule Of Amounts Reclassified Out Of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Apr. 01, 2017	Apr. 02, 2016	Apr. 01, 2017	Apr. 02, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenues	$ 193,424	$ 137,098	$ 392,703	$ 277,599
Interest income (expense), net	(7,418)	(257)	(14,698)	(458)
Provision for income taxes	1,461	1,223	1,937	2,539
Reclassification from accumulated other comprehensive income, current period, net of tax	(229)	(185)	(131)	(191)
Unrealized Derivative Instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	(98)	(132)	321	18
Reclassification from accumulated other comprehensive income, current period, net of tax	(62)	(84)	206	11
Defined Benefit Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	(238)	(145)	(482)	(290)
Reclassification from accumulated other comprehensive income, current period, net of tax	(167)	(101)	(337)	(202)
Reclassification Out Of Accumulated Other Comprehensive Income \| Unrealized Derivative Instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income taxes	(36)	(48)	115	7
Total net gain (loss) on derivative instruments	(62)	(84)	206	11
Reclassification Out Of Accumulated Other Comprehensive Income \| Defined Benefit Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income taxes	71	44	145	88
Reclassification from accumulated other comprehensive income, current period, before tax	(238)	(145)	(482)	(290)
Reclassification from accumulated other comprehensive income, current period, net of tax	(167)	(101)	(337)	(202)
Reclassification Out Of Accumulated Other Comprehensive Income \| Defined Benefit Pension Plan \| Cost of sales
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	(130)	(79)	(263)	(158)
Reclassification Out Of Accumulated Other Comprehensive Income \| Defined Benefit Pension Plan \| Selling and marketing
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	(67)	(41)	(136)	(82)
Reclassification Out Of Accumulated Other Comprehensive Income \| Defined Benefit Pension Plan \| General and administrative
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	(41)	(25)	(83)	(50)
Reclassification Out Of Accumulated Other Comprehensive Income \| Foreign Exchange Cash Flow Hedges [Member] \| Unrealized Derivative Instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenues	318	(132)	737	18
Reclassification Out Of Accumulated Other Comprehensive Income \| Interest Rate Swap [Member] \| Unrealized Derivative Instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income (expense), net	$ (416)	$ 0	$ (416)	$ 0

Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 19
-URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4569616-111683

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount before tax of reclassification adjustments of other comprehensive income (loss).

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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