Business Combinations Acquisitions (Schedule Of Unaudited Condensed Pro-Forma Statements Of Operations) (Details) (USD $) In Thousands, except Per Share data	12 Months Ended
Sep. 30, 2011	Oct. 01, 2010
Business Combinations [Abstract]
Revenue	$ 1,490,960	$ 1,174,057
Net Income	$ 209,016	$ 129,258
Basic EPS	$ 1.14	$ 0.74
Diluted EPS	$ 1.10	$ 0.71

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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

-Publisher FASB

-Name Accounting Standards Codification

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-Name Statement of Financial Accounting Standard (FAS)

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

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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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