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Derivative Financial Instruments (Details) € in Thousands, £ in Thousands, SGD in Thousands, PLN in Thousands, CAD in Thousands, AUD in Thousands, $ in Thousands	Jan. 28, 2017 CAD	Jan. 28, 2017 AUD	Jan. 28, 2017 PLN	Jan. 28, 2017 USD ($)	Jan. 28, 2017 EUR (€)	Jan. 28, 2017 SGD	Jan. 28, 2017 GBP (£)	Apr. 30, 2016 CAD	Apr. 30, 2016 AUD	Apr. 30, 2016 PLN	Apr. 30, 2016 USD ($)	Apr. 30, 2016 EUR (€)	Apr. 30, 2016 SGD	Apr. 30, 2016 GBP (£)
U.S. Dollars/Australian Dollars
Derivative
Foreign Currency Exchange Forward Contracts:		AUD 9,062		$ 6,734					AUD 10,027		$ 7,216
U.S. Dollars/Japanese Yen
Derivative
Foreign Currency Exchange Forward Contracts:			PLN 22,345	198						PLN 0	0
U.S. Dollars/Canadian Dollars
Derivative
Foreign Currency Exchange Forward Contracts:	CAD 740			557				CAD 771			563
U.S. Dollars/British Pounds
Derivative
Foreign Currency Exchange Forward Contracts:				4,836			£ 3,866				1,795			£ 1,263
U.S. Dollars/Singapore Dollars
Derivative
Foreign Currency Exchange Forward Contracts:				581		SGD 844					261		SGD 356
U.S. Dollars/Euros
Derivative
Foreign Currency Exchange Forward Contracts:				$ 1,621	€ 1,510						$ 147	€ 132

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- Definition

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

+ References

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

No definition available.

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