Financial Instruments (Tables)

3 Months Ended

Oct. 31, 2012

Financial Instruments [Abstract]

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

	October 31,
	2012			2011
Net carrying amount at beginning of year	$	(373	)	$	241
Cash flow hedges deferred in other comprehensive income		(786	)		510
Cash flow hedges reclassified to income (effective portion)		399			(333	)
Change in deferred taxes		109			256
Net carrying amount at October 31	$	(651	)	$	674