Fair Value (Fair Value Of Outstanding Derivatives In Consolidated Balance Sheets) (Details) - Fair Value Inputs Level2 [Member] - USD ($) $ in Thousands		Jul. 31, 2015	Jul. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset derivatives recorded under the caption Prepaids and other current assets, Foreign exchange contracts	[1]	$ 3,608	$ 931
Liability derivatives recorded under the caption Other current liabilities, Foreign exchange contracts	[1]	(2,247)	(1,242)
Forward exchange contracts - net liability position	[1]	$ 1,361	$ (311)

[1] * Inputs to the valuation methodology of level 2 assets include quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in inactive markets; inputs other than quoted prices that are observable for the asset or liability; and inputs that are derived principally from or corroborated by observable market data by correlation or other means.