Income Taxes (Components Of Income Before Provision For Income Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Sep. 30, 2016	Jul. 01, 2016	Apr. 01, 2016	Jan. 01, 2016	Sep. 25, 2015	Jun. 26, 2015	Mar. 27, 2015	Dec. 26, 2014	Sep. 30, 2016	Sep. 25, 2015	Sep. 26, 2014
Income Tax Disclosure [Abstract]
U.S.									$ 37,223	$ 17,091	$ 160,839
Foreign									198,681	228,691	115,260
Income before income taxes	$ 30,813	$ 81,784	$ 83,823	$ 39,484	$ 64,203	$ 47,378	$ 79,885	$ 54,316	$ 235,904	$ 245,782	$ 276,099

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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No definition available.

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