Derivative Instruments and Hedging Activities (Pretax Amounts Recognized In Accumulated Other Comprehensive Income On Currency Contracts) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Derivative [Line Items]
Net (loss) gain recognized in OCI (effective portion)	$ (313)	$ (148)	$ 2,818	$ (297)
Foreign Exchange Cash Flow Hedges [Member]
Derivative [Line Items]
Beginning unrealized net gain (loss) in AOCI	1,752	(55)	1,414	754
Net (gain) loss reclassified into Revenue (effective portion)	(865)	46	(3,658)	(614)
Net (loss) gain recognized in OCI (effective portion)	(313)	(148)	2,818	(297)
Ending unrealized net gain (loss) in AOCI	$ 574	$ (157)	$ 574	$ (157)

The amount of unrealized net (loss) gain in Accumulated Other Comprehensive Income, pretax.

No definition available.

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

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-Section 50

-Paragraph 4D

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624177-113959

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- Definition

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.

+ References

No definition available.

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- Definition

Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6441202&loc=d3e80720-113993

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 10A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

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-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580

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