Income (Loss) Per Common Share (Narrative) (Details)
3 Months Ended
Apr. 29, 2017
shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Common stock not included in the computations of diluted earnings per share 213,016
Restricted Stock Units (RSUs) [Member]  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Common stock not included in the computations of diluted earnings per share 52,905