Fair Value Measurements (Tables)

3 Months Ended

Oct. 31, 2011

Fair Value Measurements [Abstract]

Financial assets and liabilities accounted for at fair value on a recurring basis

	Fair Value Measurements Using Inputs
	Considered As
	Quoted Prices
	in Active		Significant
	Markets for		Other		Significant
	Identical		Observable		Unobservable
	Assets		Inputs		Inputs		Fair		Balance Sheet
	(Level 1)		(Level 2)		(Level 3)		Values		Classifications
October 31, 2011:
Trading Securities	$	11,207	$	—	$	—	$	11,207	Other assets
Foreign exchange contracts — cash flow hedges		—		296		—		296	Prepaid expenses and other current assets
Foreign exchange contracts		—		21		—		21	Prepaid expenses and other current assets
Total Assets	$	11,207	$	317	$	—	$	11,524
Foreign exchange contracts — cash flow hedges	$	—	$	188	$	—	$	188	Other current liabilities
Foreign exchange contracts — net investment hedges				2,656				2,656	Other current liabilities
Foreign exchange contracts		—		1		—		1	Other current liabilities
Foreign currency denominated debt — net investment hedge		—		106,125		—		106,125	Long term obligations, less current maturities
Total Liabilities	$	—	$	108,970	$	—	$	108,970
July 31, 2011:
Trading Securities	$	10,897	$	—	$	—	$	10,897	Other assets
Foreign exchange contracts — cash flow hedges		—		16		—		16	Prepaid expenses and other current assets
Foreign exchange contracts		—		3		—		3	Prepaid expenses and other current assets
Total Assets	$	10,897	$	19	$	—	$	10,916
Foreign exchange contracts — cash flow hedges	$	—	$	830	$	—	$	830	Other current liabilities
Foreign exchange contracts — net investment hedges		—		5,295		—		5,295	Other current liabilities
Foreign exchange contracts		—		2		—		2	Other current liabilities
Foreign currency denominated debt — net investment hedge		—		107,985		—		107,985	Long term obligations, less current maturities
Total Liabilities	$	—	$	114,112	$	—	$	114,112