Pension Plan (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 04, 2018	Jul. 29, 2017	Aug. 04, 2018	Jul. 29, 2017
Retirement Benefits [Abstract]
Employer service cost	$ 133	$ 120	$ 256	$ 245
Interest cost on pension benefit obligation	317	363	675	727
Expected return on plan assets	(456)	(412)	(870)	(815)
Amortization of net loss	155	213	354	424
Net periodic pension cost	149	$ 284	415	$ 581
Contributions by employer			400
Expected future employer contributions, remainder of fiscal year	$ 900		$ 900