Interest Expense, Net - Interest Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016
Interest expense, net
Interest expense	$ 1,006	$ 982	$ 2,991	$ 2,608
Interest income		(1)	(2)	(2)
Interest expense, net	$ 1,006	$ 981	$ 2,989	$ 2,606