Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation Plans - Stock Options (Details)

v3.5.0.2
Share-Based Compensation Plans - Stock Options (Details) - Stock Options
$ / shares in Units, $ in Millions
9 Months Ended
Oct. 29, 2016
USD ($)
$ / shares
shares
Number of Shares  
Outstanding at the beginning of the period (in shares) | shares 681,117
Granted (in shares) | shares 593,509
Forfeited (in shares) | shares (3,051)
Expired (in shares) | shares (1,525)
Outstanding at the end of the period (in shares) | shares 1,270,050
Exercisable at the end of the period (in shares) | shares 450,630
Weighted-Average Exercise Price  
Outstanding at the beginning of the period (in dollars per share) $ 39.65
Granted (in dollars per share) 17.43
Forfeited (in dollars per share) 48.31
Expired (in dollars per share) 48.31
Outstanding at the end of the period (in dollars per share) 29.23
Exercisable at the end of the period (in dollars per share) 36.25
Additional disclosures  
Weighted-average grant date fair value of stock options granted (in dollars per share) $ 5.18
Assumptions used to value stock options  
Risk-free interest rate (as a percent) 1.22%
Expected lives 5 years
Dividend yield (as a percent) 4.13%
Expected volatility (as a percent) 47.95%
Unrecognized compensation cost  
Unrecognized compensation cost related to non-vested stock options | $ $ 4.5
Compensation recognition period 1 year 4 months 24 days