XML 39 R29.htm IDEA: XBRL DOCUMENT v3.20.2
Recent Accounting Pronouncements - Additional Information (Details)
 3 Months Ended 9 Months Ended
May 03, 2019
Oct. 30, 2020
Accounting Changes And Error Corrections [Abstract]    
Change in Accounting Principle, Accounting Standards Update, Adopted   true
Accounting Standards Update us-gaap:AccountingStandardsUpdate201602Member us-gaap:AccountingStandardsUpdate201613Member
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect   true