Quarterly report pursuant to Section 13 or 15(d)

Fair value measurements (Details)

v3.10.0.1
Fair value measurements (Details) - USD ($)
$ in Thousands
Nov. 03, 2018
Feb. 03, 2018
Oct. 28, 2017
Level 2 | Non-qualified deferred compensation plan      
Fair value measurements      
Fair value of financial liabilities $ 22,128 $ 15,942 $ 16,143