Fair Value Measurements (Tables)

9 Months Ended

Apr. 30, 2013

Text Block [Abstract]

Financial Assets and Liabilities Accounted for at Fair Value on a Recurring Basis

	Inputs Considered As
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Fair Values		Balance Sheet Classifications
April 30, 2013
Trading securities	$	14,614	$	—	$	14,614	Other assets
Foreign exchange contracts	—		1,242		1,242		Prepaid expenses and other current assets
Total Assets	$	14,614	$	1,242	$	15,856
Foreign exchange contracts	$	—	$	438	$	438	Other current liabilities
Foreign currency denominated debt	—		108,001		108,001		Long term obligations, less current maturities
Total Liabilities	$	—	$	108,439	$	108,439
July 31, 2012
Trading securities	$	12,676	$	—	$	12,676	Other assets
Foreign exchange contracts	—		1,234		1,234		Prepaid expenses and other current assets
Total Assets	$	12,676	$	1,234	$	13,910
Foreign exchange contracts	$	—	$	281	$	281	Other current liabilities
Foreign currency denominated debt	—		99,081		99,081		Long term obligations, less current maturities
Total Liabilities	$	—	$	99,362	$	99,362