Derivative Financial Instruments (Details) € in Thousands, £ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands	3 Months Ended
	Aug. 01, 2020 CAD ($)	Aug. 01, 2020 AUD ($)	Aug. 01, 2020 USD ($)	Aug. 01, 2020 EUR (€)	Aug. 01, 2020 GBP (£)	May 02, 2020 CAD ($)	May 02, 2020 AUD ($)	May 02, 2020 USD ($)	May 02, 2020 EUR (€)	May 02, 2020 GBP (£)
Derivative
Derivative term (months)	17 months
U.S. Dollars/Australian Dollars | Not Designated as Hedging Instrument
Derivative
Foreign currency exchange forward contracts		$ 7,839	$ 5,406				$ 3,323	$ 2,235
U.S. Dollars/Canadian Dollars | Not Designated as Hedging Instrument
Derivative
Foreign currency exchange forward contracts	$ 0		0			$ 648		452
U.S. Dollars/British Pounds | Not Designated as Hedging Instrument
Derivative
Foreign currency exchange forward contracts			2,149		£ 1,650			3,160		£ 2,424
U.S. Dollars/Euro | Not Designated as Hedging Instrument
Derivative
Foreign currency exchange forward contracts			0	€ 0				1,881	€ 1,689
Estimate of Fair Value Measurement [Member] | Recurring Basis | Level 2
Derivative
Derivatives - currency forward contract, asset			36					261
Derivatives - currency forward contracts, liability			$ (242)					$ (17)