Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation Plans - Stock Options (Details)

v3.8.0.1
Share-Based Compensation Plans - Stock Options (Details)
$ / shares in Units, $ in Millions
9 Months Ended
Oct. 28, 2017
USD ($)
$ / shares
shares
Additional disclosures  
Weighted-average grant date fair value of stock options granted (in dollars per share) $ 3.86
Stock Options  
Number of Shares  
Outstanding at the beginning of the period (in shares) | shares 1,194,690
Granted (in shares) | shares 630,083
Forfeited (in shares) | shares (50,856)
Expired (in shares) | shares (40,243)
Outstanding at the end of the period (in shares) | shares 1,733,674
Exercisable at the end of the period (in shares) | shares 736,137
Weighted-Average Exercise Price  
Outstanding at the beginning of the period (in dollars per share) $ 29.70
Granted (in dollars per share) 11.54
Forfeited (in dollars per share) 16.25
Expired (in dollars per share) 41.23
Outstanding at the end of the period (in dollars per share) 23.23
Exercisable at the end of the period (in dollars per share) $ 33.33
Unrecognized compensation cost  
Unrecognized compensation cost, non-vested awards | $ $ 3.7
Compensation recognition period, non-vested awards 1 year 4 months 24 days
Assumptions used to value stock options  
Risk-free interest rate (as a percent) 1.75%
Expected lives 5 years
Dividend yield (as a percent) 4.69%
Expected volatility (as a percent) 55.12%