XML 16 R50.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Restructuring Charges - Additional Information (Detail) - USD ($)
$ in Thousands
9 Months Ended
Nov. 02, 2019
Nov. 03, 2018
Restructuring And Related Activities [Abstract]    
Restructuring charges $ 4,272 $ 1,568