Credit Agreements Credit Agreements - Cash Requirements (Details) - USD ($)			3 Months Ended	6 Months Ended	12 Months Ended
	Apr. 16, 2020	May 02, 2019	Aug. 01, 2020	Aug. 01, 2020	Jan. 30, 2021
Debt Instrument [Line Items]
Gross proceeds from private placement securities issuance	$ 1,500,000	$ 6,000,000	$ 2,500,000	$ 4,000,000
Fiscal 2019 Restructuring Plans [Member] | Forecast [Member]
Restructuring Costs [Abstract]
Restructuring and Related Cost, Expected Annualized Savings					$ 22,000,000
Q1 Fiscal 2020 Restructuring Plans [Member] | Forecast [Member]
Restructuring Costs [Abstract]
Restructuring and Related Cost, Expected Annualized Savings					$ 16,000,000