Fair Value Measurements (Tables)

9 Months Ended

Apr. 30, 2017

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, 2017
Trading securities	$	13,795	$	—	$	13,795	Other assets
Foreign exchange contracts	—		900		900		Prepaid expenses and other current assets
Total Assets	$	13,795	$	900	$	14,695
Foreign exchange contracts	$	—	$	308	$	308	Other current liabilities
Total Liabilities	$	—	$	308	$	308
July 31, 2016
Trading securities	$	13,834	$	—	$	13,834	Other assets
Foreign exchange contracts	—		2,138		2,138		Prepaid expenses and other current assets
Total Assets	$	13,834	$	2,138	$	15,972
Foreign exchange contracts	$	—	$	738	$	738	Other current liabilities
Total Liabilities	$	—	$	738	$	738