Annual report pursuant to Section 13 and 15(d)

Stock Compensation Plans (Details)

v3.10.0.1
Stock Compensation Plans (Details) - 2015 Equity Incentive Plan
$ / shares in Units, $ in Millions
12 Months Ended
Jun. 29, 2018
shares
Oct. 28, 2018
USD ($)
day
$ / shares
shares
Oct. 29, 2017
USD ($)
$ / shares
shares
Jun. 09, 2016
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Aggregate number of shares issued (up to) (shares)       3,000,000
Number of option shares, granted (shares)   133,181 851,488  
Number of shares cancelled (shares)   1,033,063 272,301  
Options granted in period, fair value | $   $ 0.2 $ 1.6  
Weighted average exercise price, granted (USD per share) | $ / shares   $ 4.10 $ 4.46  
Total unrecognized compensation cost | $   $ 2.4    
Weighted average period   2 years 7 months 6 days    
Compensation cost not yet recognized, expected in 2019 | $   $ 1.6    
Compensation cost not yet recognized, expected in 2020 | $   0.6    
Compensation cost not yet recognized, expected in 2021 | $   $ 0.2    
Performance Share Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of non-option shares, granted (shares)   276,396    
Award vesting period   3 years    
Fair value of grants in period | $   $ 0.9    
Expected volatility   58.30%    
Risk-free interest rate   2.67%    
Expected term (in years)   3 years    
Equity instruments other than options, settled in cash, maximum multiplier for closing stock price on grant date   2    
Equity instruments other than options, average stock price prior to end of vesting period, number of trading days | day   20    
Weighted average grant date fair value (USD per share) | $ / shares   $ 3.38    
Performance Share Units | Vesting Period One        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   1 year    
Performance Share Units | Vesting Period Two        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   2 years    
Performance Share Units | Vesting Period Three        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   3 years    
Performance Share Units | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity instruments other than options, payout percentage   0.00%    
Performance Share Units | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity instruments other than options, payout percentage   200.00%    
Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of non-option shares, granted (shares)   491,138 248,915  
Number of non-options shares, vested (shares)   206,504 153,279  
Award vesting period   3 years    
Fair value of grants in period | $   $ 1.6 $ 2.7  
Weighted average grant date fair value (USD per share) | $ / shares   $ 3.23 $ 4.43  
Employee Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of option shares, granted (shares)     851,488  
Expected dividend yield   0.00% 0.00%  
Award vesting period   3 years    
Expiration period   10 years    
Expected volatility   40.00% 40.00%  
Risk-free interest rate   2.73% 1.89%  
Expected term (in years)   6 years 6 years  
Phantom Share Units (PSUs)        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of non-option shares, granted (shares)     71,311  
Number of non-options shares, vested (shares)   9,836    
Award vesting period     3 years  
Fair value of grants in period | $     $ 0.3  
Weighted average grant date fair value (USD per share) | $ / shares     $ 4.35  
Restricted Stock Units, Liability-Based Awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of non-option shares, granted (shares)   462,683    
Expected volatility   58.30%    
Risk-free interest rate   2.67%    
Expected term (in years)   3 years    
Equity instruments other than options, settled in cash, maximum multiplier for closing stock price on grant date   2    
Former Chief Executive Officer        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares cancelled (shares) 721,731      
Number of option shares, vested (shares) 424,710      
Remaining exercisable term 12 months      
Former Chief Executive Officer | Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of non-options shares, vested (shares) 159,443      
Certain Employees | Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of non-option shares, granted (shares)     175,145  
Certain Employees | Employee Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of option shares, granted (shares)     851,488  
Director | Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of non-option shares, granted (shares)     73,770  
Management | Phantom Share Units (PSUs)        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of non-option shares, granted (shares)     71,311