Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 24,451	$ (10,714)	$ 33,148	$ (52,440)
Other comprehensive income before taxes:
Foreign currency translation	(17)	(5)	(42)	(39)
Pension plans	78	253	156	495
Other comprehensive income before taxes	61	248	114	456
Other comprehensive income, net of tax	61	248	114	456
Comprehensive income (loss)	$ 24,512	$ (10,466)	$ 33,262	$ (51,984)