Income Taxes (Details) $ in Thousands	3 Months Ended
	May 02, 2020 USD ($)
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	90,900
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)