Financial Instruments (Tables)

12 Months Ended

Jul. 31, 2012

Financial Instruments [Abstract]

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

	July 31,
	2012			2011
Net carrying amount at beginning of year	$	241		$	(660	)
Cash flow hedges deferred in OCI		2,229			(782	)
Cash flow hedges reclassified to income (effective portion)		(2,960	)		1,963
Change in deferred taxes		117			(280	)
Net carrying amount at July 31	$	(373	)	$	241