Fair Values (Tables)

9 Months Ended

Apr. 30, 2012

Fair Values [Abstract]

Fair Value Of Outstanding Derivatives In Consolidated Balance Sheets

	April 30, 2012		July 31, 2011
Asset derivatives recorded under the caption Prepaids and other current assets
Foreign exchange contracts	$	874	$	945
Liability derivatives recorded under the caption Other current liabilities
Foreign exchange contracts	$	409	$	1,470

Fair Value Of Financial Assets And Liabilities

	Significant Other Observable Inputs (Level 2)*
	April 30, 2012		July 31, 2011
Forward exchange contracts - net asset (liability) position	$	465	$	(525	)

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* 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.