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Goodwill, Purchased Technology and Other Intangible Assets (Details Textual)
6 Months Ended
Apr. 26, 2015
Minimum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Intangible assets, useful life 1 year
Maximum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Intangible assets, useful life 15 years