Pension Plan (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Retirement Benefits [Abstract]
Employer service cost	$ 135	$ 133	$ 270	$ 256
Interest cost on pension benefit obligation	317	317	644	675
Expected return on plan assets	(359)	(456)	(727)	(870)
Amortization of net loss	202	155	372	354
Net periodic pension cost	295	$ 149	559	$ 415
Contributions by employer			500
Expected future employer contributions, remainder of fiscal year	$ 800		$ 800