Basis of Presentation and New Accounting Guidance (Details) $ in Thousands, $ in Millions	3 Months Ended			6 Months Ended		12 Months Ended
	Aug. 03, 2019 AUD ($)	Aug. 03, 2019 USD ($)	Aug. 04, 2018 USD ($)	Aug. 03, 2019 USD ($)	Aug. 04, 2018 USD ($)	Feb. 01, 2020 USD ($)	Feb. 02, 2019 USD ($)	Feb. 03, 2018	Aug. 03, 2019 USD ($)	Feb. 03, 2019 USD ($)	Feb. 04, 2018 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Fiscal period duration							364 days	371 days
Cumulative adjustment from adoption of new accounting guidance										$ 297	$ 5,829
Operating lease right-of-use assets							$ 0		$ 900,062
Present value of lease liabilities									961,703
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets										1,000,000
Present value of lease liabilities										1,000,000
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative adjustment from adoption of new accounting guidance										(1,684)	$ 5,829
Retained Earnings | Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative adjustment from adoption of new accounting guidance										300
Retained Earnings | Accounting Standards Update 2017-12
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative adjustment from adoption of new accounting guidance										(2,000)
Accumulated Other Comprehensive Loss
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative adjustment from adoption of new accounting guidance										1,981
Accumulated Other Comprehensive Loss | Accounting Standards Update 2017-12
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative adjustment from adoption of new accounting guidance										$ 2,000
Scenario, Forecast
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Fiscal period duration						364 days
Scenario, Forecast | Cost of product sales
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reclassification to net earnings for gains realized						$ 1,400
Royalties
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net royalties revenue recognized		$ 3,100	$ 3,600	$ 6,100	$ 6,900
Minimum | Royalties
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
License agreement term				3 years
Maximum | Royalties
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
License agreement term				10 years
Accrued expenses | Royalties
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Current deferred royalties							6,400		6,700
Other long-term liabilities | Royalties
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noncurrent deferred royalties							15,500		12,600
Privately Held Apparel Company
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity method investment							$ 8,300
Minority interest							30.00%
Privately Held Apparel Company | Other income/expense
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net loss from equity method investment		2,900		$ 2,900
Disposal Group, Disposed of by Sale | Australian Retail Locations
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Proceeds from divestiture of business	$ 7.3								5,100
Loss on divestiture of business	1.1	$ 800
Disposal Group, Disposed of by Sale | Australian Retail Locations | Accounts receivable
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Proceeds from divestiture of business	2.0								1,400
Disposal Group, Disposed of by Sale | Australian Retail Locations | Other assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Proceeds from divestiture of business	$ 5.3								$ 3,700