XML 48 R37.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stock-Based Compensation (Narrative) (Details) - Restricted Stock [Member] - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 29, 2017
Oct. 30, 2016
Oct. 29, 2017
Oct. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock compensation expense $ 0.6 $ 0.4 $ 1.2 $ 1.0
Unrecognized compensation expense $ 2.5   $ 2.5  
Unrecognized compensation expense, weighted average recognition period     1 year 9 months 18 days