Stock Compensation Plans (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Jul. 31, 2016	Jul. 31, 2016	Aug. 02, 2015	Jun. 09, 2016
Black-Scholes Option Pricing Model
Stock compensation expense	$ 600	$ 1,020	$ 2,564
Compensation cost not yet recognized	3,200	$ 3,200
Compensation cost not yet recognized, period for recognition		2 years 9 months
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Abstract]
Compensation cost not yet recognized, expected in 2016	600	$ 600
Compensation cost not yet recognized, expected in 2017	1,700	1,700
Compensation cost not yet recognized, expected in 2018	700	700
Compensation cost not yet recognized, expected in 2019	$ 200	$ 200
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, weighted average grant date fair value (usd per share)	$ 2.32
Black-Scholes Option Pricing Model
Expected volatility	40.00%
Expected term (in years)	6 years
Risk-free interest rate	1.29%
Expected dividend yield	0.00%
2015 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (shares)				3,000,000
2015 Equity Incentive Plan | Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (shares)	938,767
2015 Equity Incentive Plan | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs granted (shares)	253,271
2006 Plan | Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (shares)	26,031
2006 Plan | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs granted (shares)	5,233
Certain Employees | Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (shares)	782,748
Certain Employees | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs granted (shares)	156,608
Chief Executive Officer | Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (shares)	182,050
Chief Executive Officer | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs granted (shares)	40,016
Board of Directors | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs granted (shares)	61,880
Senior level employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period, fair value	$ 3,800
Award vesting period	3 years
Senior level employees | Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, weighted average grant date fair value (usd per share)	$ 6.49
Expiration period	10 years
Senior level employees | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs, weighted average grant date fair value (usd per share)	$ 6.06