Financial Instruments (Tables)

9 Months Ended

Apr. 30, 2012

Financial Instruments [Abstract]

Impact On Accumulated Other Comprehensive Income (Loss) And Earnings From Foreign Exchange Contracts That Qualified As Cash Flow Hedges

	April 30,
	2012			2011
Net carrying amount at beginning of year	$	241		$	(660	)
Cash flow hedges deferred in other comprehensive income		1,793			(425	)
Cash flow hedges reclassified to income (effective portion)		(1,938	)		1,048
Change in deferred taxes		169			(218	)
Net carrying amount at April 30	$	265		$	(255	)