v3.8.0.1
Employee Benefit Plans - Weighted Average Assumptions Used to Calculate Fair Value of Time Based Stock Option Award (Details) - Time-Based Options - $ / shares
12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Weighted average fair value (in usd per share) $ 2.92 $ 3.93
Expected volatility (as a percent) 40.00% 34.00%
Expected term (in years) 5 years 2 months 12 days 5 years 4 months 24 days
Risk-free interest rate (as a percent) 1.30% 1.60%
Expected dividend yield (as a percent) 2.50% 1.80%