Annual report pursuant to Section 13 and 15(d)

Executive and Management Transition Costs (Details)

v3.7.0.1
Executive and Management Transition Costs (Details)
3 Months Ended 12 Months Ended
Aug. 18, 2016
USD ($)
Oct. 29, 2016
USD ($)
Jul. 30, 2016
USD ($)
Apr. 30, 2016
USD ($)
Oct. 31, 2015
USD ($)
Aug. 01, 2015
USD ($)
May 02, 2015
USD ($)
Jan. 28, 2017
USD ($)
Jan. 30, 2016
USD ($)
Jan. 31, 2015
USD ($)
Executive Transition Costs [Abstract]                    
Employment Agreement Commitment, Period 2 years                  
Initial base salary $ 750,000                  
Aggregate fair value of granted award of restricted stock units, performance restricted stock units and incentive stock options at the date of the award $ 1,800,000                  
Severance in event of termination, multiplier of base salary               1.5    
Severance in event of termination, multiplier of target bonus               1    
Severance in event of termination resulting from change of control, multiplier of base salary               2    
Severance in event of termination resulting from change of control, multiplier of target bonus               2    
Severance Costs   $ 568,000 $ 242,000 $ 3,601,000 $ 754,000 $ 205,000 $ 2,590,000 $ 4,411,000 $ 3,549,000 $ 5,520,000