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Derivative Financial Instruments (Details) € in Thousands, £ in Thousands, SFr in Thousands, RM in Thousands, $ in Thousands, $ in Thousands, $ in Thousands	6 Months Ended
	Nov. 02, 2019 USD ($)	Nov. 02, 2019 CAD ($)	Nov. 02, 2019 AUD ($)	Nov. 02, 2019 MYR (RM)	Nov. 02, 2019 EUR (€)	Nov. 02, 2019 CHF (SFr)	Nov. 02, 2019 GBP (£)	Apr. 27, 2019 USD ($)	Apr. 27, 2019 CAD ($)	Apr. 27, 2019 AUD ($)	Apr. 27, 2019 MYR (RM)	Apr. 27, 2019 EUR (€)	Apr. 27, 2019 CHF (SFr)	Apr. 27, 2019 GBP (£)
Derivative
Derivative term (months)	16 months
U.S. Dollars/Australian Dollars | Not Designated as Hedging Instrument
Derivative
Foreign currency exchange forward contracts	$ 1,611		$ 2,322					$ 2,688		$ 3,772
U.S. Dollars/Canadian Dollars | Not Designated as Hedging Instrument
Derivative
Foreign currency exchange forward contracts	750	$ 998						625	$ 821
U.S. Dollars/British Pounds | Not Designated as Hedging Instrument
Derivative
Foreign currency exchange forward contracts	5,874						£ 4,585	3,547						£ 2,680
U.S. Dollars/Euro | Not Designated as Hedging Instrument
Derivative
Foreign currency exchange forward contracts	3,755				€ 3,377			0				€ 0
U.S. Dollars/Swiss Franc | Not Designated as Hedging Instrument
Derivative
Foreign currency exchange forward contracts	0					SFr 0		927					SFr 925
U.S. Dollars/Malaysian Ringgit | Not Designated as Hedging Instrument
Derivative
Foreign currency exchange forward contracts	0			RM 0				60			RM 246
Estimate of Fair Value Measurement [Member] | Recurring Basis | Level 2
Derivative
Derivatives - currency forward contract, asset	70							91
Derivatives - currency forward contracts, liability	$ (233)							$ (4)

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