Stock Compensation Plans - Schedule of Transactions Involving Outstanding Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 28, 2018	Oct. 29, 2017	Oct. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of shares, Outstanding Beginning balance (shares)	2,499,922
Number of shares, Outstanding Ending balance (shares)	1,600,040	2,499,922
2015 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of shares, Outstanding Beginning balance (shares)	2,499,922	1,921,035
Number of shares, Granted (shares)	133,181	851,488
Number of shares, Exercised (shares)		(300)
Number of shares, Forfeited (shares)	(1,033,063)	(272,301)
Number of shares, Outstanding Ending balance (shares)	1,600,040	2,499,922	1,921,035
Number of shares, Unvested (shares)	769,027
Number of shares, Exercisable (shares)	831,013
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, End of Period [Abstract]
Weighted average exercise price, Outstanding balance (USD per share)	$ 6.32	$ 7.70
Weighted average exercise price, Granted (USD per share)	4.10	4.46
Weighted average exercise price, Exercised (USD per share)		6.39
Weighted average exercise price, Forfeited (USD per share)	7.16	10.24
Weighted average exercise price, Outstanding balance (USD per share)	5.25	$ 6.32	$ 7.70
Weighted average exercise price, Exercisable (USD per share)	$ 6.46
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Weighted average contractual life, Outstanding	7 years 3 months 7 days	8 years 2 months 12 days	8 years 2 months 23 days
Weighted average contractual life, Exercisable	6 years 29 days
Aggregate Intrinsic Value, Outstanding	$ 3,126	$ 6,051	$ 242
Aggregate Intrinsic Value, Unvested	780
Aggregate Intrinsic Value, Exercisable	$ 2,346