Annual report pursuant to Section 13 and 15(d)

Employee benefit plans (Details)

v3.8.0.1
Employee benefit plans (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Defined contribution plans      
Deferred compensation plan assets $ 16,827 $ 11,283  
Qualified defined contribution plan      
Defined contribution plans      
Company match (as a percent) 100.00% 100.00% 100.00%
Eligible employee compensation for company match (as a percent) 3.00% 3.00% 3.00%
Liability for Company match $ 8,139 $ 6,317  
Total expense recorded $ 7,570 $ 5,852 $ 4,640
Non-qualified deferred compensation plan      
Defined contribution plans      
Company match (as a percent) 100.00% 100.00% 100.00%
Eligible employee compensation for company match (as a percent) 3.00% 3.00% 3.00%
Liability for Company match $ 895 $ 753  
Deferred compensation liability 15,942 10,474  
Deferred compensation plan assets $ 16,827 $ 11,283