Business Segments and Geographic Information - Revenues by Geography (Detail)
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3 Months Ended | 6 Months Ended | ||
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Mar. 29, 2014
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Mar. 30, 2013
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Mar. 29, 2014
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Mar. 30, 2013
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Schedule Of Geographical Segments [Line Items] | ||||
Revenues | 100.00% | 100.00% | 100.00% | 100.00% |
United States [Member]
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Schedule Of Geographical Segments [Line Items] | ||||
Revenues | 74.00% | 75.00% | 74.00% | 74.00% |
Europe [Member]
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Schedule Of Geographical Segments [Line Items] | ||||
Revenues | 15.00% | 12.00% | 15.00% | 14.00% |
Asia-Pacific [Member]
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Schedule Of Geographical Segments [Line Items] | ||||
Revenues | 7.00% | 9.00% | 7.00% | 8.00% |
All Others [Member]
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Schedule Of Geographical Segments [Line Items] | ||||
Revenues | 4.00% | 4.00% | 4.00% | 4.00% |