Annual report pursuant to Section 13 and 15(d)

Share-based awards - Assumptions to Estimate Fair Value of Stock Options (Details)

v3.20.1
Share-based awards - Assumptions to Estimate Fair Value of Stock Options (Details) - Stock options
12 Months Ended
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Weighted-average assumptions to estimate fair value      
Volatility rate (as a percent) 31.00% 29.00% 30.90%
Average risk-free interest rate (as a percent) 2.30% 2.40% 1.60%
Average expected life 3 years 6 months 3 years 4 months 24 days 3 years 6 months
Dividend yield (as a percent) 0.00% 0.00% 0.00%