Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation Plans - Cash Settled Awards (Details)

v3.8.0.1
Share-Based Compensation Plans - Cash Settled Awards (Details) - USD ($)
shares in Thousands, $ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Oct. 28, 2017
Oct. 29, 2016
Oct. 28, 2017
Oct. 29, 2016
Jan. 28, 2017
Share-based compensation          
Share-based compensation expense $ 8.2 $ 5.2 $ 17.2 $ 14.0  
Cash Settled Awards          
Share-based compensation          
Vesting period     3 years    
Liability associated with the cash settled awards $ 2.3   $ 2.3    
Cash Settled Awards          
Granted (in shares)     8,377   0
Forfeited (in shares)     (149)    
Non-Vested at the end of the period (in shares) 8,228   8,228    
Cash Settled Awards | Accrued expenses and other current liabilities          
Share-based compensation          
Liability associated with the cash settled awards $ 1.4   $ 1.4    
Cash Settled Awards | Other Liabilities          
Share-based compensation          
Liability associated with the cash settled awards $ 0.9   $ 0.9