XML 54 R38.htm IDEA: XBRL DOCUMENT v3.19.3
Income Taxes (Details)
3 Months Ended 9 Months Ended
Nov. 02, 2019
Nov. 03, 2018
Nov. 02, 2019
Nov. 03, 2018
Income Tax Disclosure [Abstract]        
Effective tax rate 14.70% (141.70%) (31.20%) 20.00%