Accrued liabilities (Details) - USD ($) $ in Thousands	Feb. 02, 2019	Feb. 03, 2018
Accrued liabilities
Accrued payroll, bonus, and employee benefits	$ 96,020	$ 82,593
Accrued taxes	32,085	28,306
Other accrued liabilities	92,561	78,272
Accrued liabilities	$ 220,666	$ 189,171