Fair Values (Fair Value Of Outstanding Derivatives In Consolidated Balance Sheets) (Details) (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2015
Jul. 31, 2014
Fair Values [Abstract]    
Asset derivatives recorded under the caption Prepaids and other current assets, Foreign exchange contracts $ 5,573 [1] $ 931 [1]
Liability derivatives recorded under the caption Other current liabilities, Foreign exchange contracts (6,979) [1] (1,242) [1]
Forward exchange contracts - net asset (liability) position $ (1,406) [1] $ (311) [1]
[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.