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Restructuring Costs - Schedule of Significant Components and Activity under the Restructuring Program (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance			$ 0
Restructuring Charges	$ 5,165	$ 0	5,165	$ 0
Cash Payments			(1,459)
Restructuring Reserve, Ending Balance	3,706		3,706
Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance			0
Restructuring Charges			4,454
Cash Payments			(1,079)
Restructuring Reserve, Ending Balance	3,375		3,375
Other Incremental Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance			0
Restructuring Charges			711
Cash Payments			(380)
Restructuring Reserve, Ending Balance	$ 331		$ 331