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Goodwill, Purchased Technology and Other Intangible Assets - Additional Information (Details)
9 Months Ended
Jul. 26, 2020
Minimum  
Finite-Lived Intangible Assets [Line Items]  
Intangible assets, useful life 1 year
Maximum  
Finite-Lived Intangible Assets [Line Items]  
Intangible assets, useful life 15 years