Annual report pursuant to Section 13 and 15(d)

Impairment Charges (Details)

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Impairment Charges (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Apr. 29, 2018
Oct. 28, 2018
Oct. 29, 2017
Finite-Lived Intangible Assets [Line Items]      
Goodwill, impairment, discount rate 12.00%    
Goodwill, carrying value $ 5,700 $ 5,351 $ 5,476
Software systems      
Finite-Lived Intangible Assets [Line Items]      
Impairment of indefinite lived intangible assets   $ 500 $ 300