Pension Plan (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018
Retirement Benefits [Abstract]
Employer service cost		$ 135	$ 127	$ 405	$ 383
Interest cost on pension benefit obligation		321	338	965	1,013
Expected return on plan assets		(363)	(435)	(1,090)	(1,305)
Amortization of net loss		186	85	558	439
Settlement charges	[1]	270	411	270	411
Net periodic pension cost		549	526	1,108	941
Amortization of net loss		(186)	(85)	(558)	(439)
Settlement charges		(270)	(411)	(270)	(411)
Net loss		1,537	1,404	1,537	1,404
Net change recognized in other comprehensive loss, pre-tax		1,081	908	709	554
Loss (gain) from decrease (increase) in discount rate		3,818	(2,521)	3,818	(2,521)
(Gain) loss from investment return on plan assets		(1,803)	3,365	(1,803)	3,365
(Gain) loss due to updated demographic data and assumption changes (other than discount rate)		(478)	$ 560	(478)	$ 560
Contributions by employer				1,000
Expected future employer contributions, remainder of fiscal year		$ 300		$ 300

[1] Non-cash pension settlement charges were recognized as a result of lump sum distributions exceeding interest cost for the nine months ended November 2, 2019 and November 3, 2018, respectively.