Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net earnings (loss)	$ 7,466	$ 18,899	$ (146,347)	$ 25,822
Other comprehensive income (loss):
Pension liability adjustments, net of tax	0	51	0	157
Postretirement liability adjustments, net of tax	(157)	(167)	(433)	(500)
Foreign currency translation adjustments	(283)	8,715	(7,899)	(1,277)
Total other comprehensive income (loss)	(440)	8,599	(8,332)	(1,620)
Comprehensive income (loss)	$ 7,026	$ 27,498	$ (154,679)	$ 24,202