Other Income and Charges, Net - Summary of Other Income and Charges (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Other Income And Charges Net [Abstract]
Insurance claim	$ (1,917)		$ (1,917)
Management and organizational changes	1,798	$ 667	2,460	$ 931
Proxy solicitation		1,256		2,142
Total other (income) charges, net	$ (119)	$ 1,923	$ 543	$ 3,073