Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	May 01, 2021	May 02, 2020
Valuation Allowance [Line Items]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		$ (34,300)
Unrecognized Tax Benefits that Would Impact Effective Tax Rate		56,600
Income Tax Expense Benefit Continuing Operations Discrete Items	$ 3,100	90,900
Income Tax Expense Benefit Continuing Operations Discrete Items	$ 3,100	90,900
Pre-Tax Losses Without Tax Benefits Recognized		212,000
United States
Valuation Allowance [Line Items]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		(10,500)
GERMANY
Valuation Allowance [Line Items]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		(6,000)
SWITZERLAND
Valuation Allowance [Line Items]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		$ (78,900)