Fair Value Measurements (Tables)

9 Months Ended

Apr. 30, 2014

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, 2014
Trading securities	$	15,811	$	—	$	15,811	Other assets
Foreign exchange contracts	—		247		247		Prepaid expenses and other current assets
Total Assets	$	15,811	$	247	$	16,058
Foreign exchange contracts	$	—	$	127	$	127	Other current liabilities
Total Liabilities	$	—	$	127	$	127
July 31, 2013
Trading securities	$	14,975	$	—	$	14,975	Other assets
Foreign exchange contracts	—		294		294		Prepaid expenses and other current assets
Total Assets	$	14,975	$	294	$	15,269
Foreign exchange contracts	$	—	$	890	$	890	Other current liabilities
Total Liabilities	$	—	$	890	$	890