Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

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+ References

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- Definition

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+ References

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- Definition

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+ References

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Derivative Financial Instruments - (Details) € in Thousands, £ in Thousands, SFr in Thousands, RM in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands	Apr. 27, 2019 USD ($)	Apr. 27, 2019 CAD ($)	Apr. 27, 2019 AUD ($)	Apr. 27, 2019 CHF (SFr)	Apr. 27, 2019 GBP (£)	Apr. 27, 2019 EUR (€)	Apr. 27, 2019 SGD ($)	Apr. 27, 2019 MYR (RM)	Apr. 28, 2018 USD ($)	Apr. 28, 2018 CAD ($)	Apr. 28, 2018 AUD ($)	Apr. 28, 2018 CHF (SFr)	Apr. 28, 2018 GBP (£)	Apr. 28, 2018 EUR (€)	Apr. 28, 2018 SGD ($)	Apr. 28, 2018 MYR (RM)
Recurring Basis
Derivative
Foreign currency contract, asset	$ 91
Foreign currency contract, liability	(4)								$ (236)
Recurring Basis \| Level 2
Derivative
Foreign currency contract, asset	91								41
Foreign currency contract, liability	(4)								(236)
U.S. Dollars/Australian Dollars \| Not Designated as Hedging Instrument [Member]
Derivative
Foreign Currency Exchange Forward Contracts:	(2,688)		$ (3,772)						(1,081)		$ (1,400)
U.S. Dollars/Canadian Dollars \| Not Designated as Hedging Instrument [Member]
Derivative
Foreign Currency Exchange Forward Contracts:	(625)	$ (821)							(2,165)	$ (2,819)
U.S. Dollars/British Pounds \| Not Designated as Hedging Instrument [Member]
Derivative
Foreign Currency Exchange Forward Contracts:	(3,547)				£ (2,680)				(5,856)				£ (4,368)
U.S. Dollars/Singapore Dollars \| Not Designated as Hedging Instrument [Member]
Derivative
Foreign Currency Exchange Forward Contracts:	0						$ 0		(236)						$ (312)
U.S. Dollars/Euros \| Not Designated as Hedging Instrument [Member]
Derivative
Foreign Currency Exchange Forward Contracts:	0					€ 0			(854)					€ (708)
U.S. Dollars/Swiss Franc \| Not Designated as Hedging Instrument [Member]
Derivative
Foreign Currency Exchange Forward Contracts:	(927)			SFr (925)					(41)			SFr (40)
U.S. Dollars/Malaysian Ringgit \| Not Designated as Hedging Instrument [Member]
Derivative
Foreign Currency Exchange Forward Contracts:	$ (60)							RM (246)	$ 0							RM 0