Pension Plan (Details) - USD ($) $ in Thousands	3 Months Ended
	May 04, 2019	May 05, 2018
Retirement Benefits [Abstract]
Employer service cost	$ 135	$ 123
Interest cost on pension benefit obligation	327	358
Expected return on plan assets	(368)	(414)
Amortization of net loss	170	199
Net periodic pension cost	264	$ 266
Contributions by employer	300
Expected future employer contributions, remainder of fiscal year	$ 1,000