Derivatives and Hedging Activities (Tables)

6 Months Ended

Jan. 31, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]

The U.S. dollar equivalent notional amounts of outstanding forward exchange contracts were as follows:

	January 31, 2021		July 31, 2020
Designated as cash flow hedges	$	12,300	$	24,600
Non-designated hedges	3,427		3,107
Total foreign exchange contracts	$	15,727	$	27,707

Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]

The following table summarizes the amount of pre-tax gains and losses related to foreign exchange contracts designated as cash flow hedging instruments:

	Three months ended January 31,				Six months ended January 31,
	2021		2020		2021		2020
Gains recognized in OCI	$	451	$	363	$	1,148	$	559
(Losses) gains reclassified from OCI into cost of goods sold	(60)		105		(271)		486

Fair Values of Derivative Instruments in Consolidated Balance Sheets

Fair values of derivative instruments in the condensed consolidated balance sheets were as follows:

	January 31, 2021				July 31, 2020
	Prepaid expenses and other current assets		Other current liabilities		Prepaid expenses and other current assets		Other current liabilities
Derivatives designated as hedging instruments:
Foreign exchange contracts (cash flow hedges)	$	1,241	$	499	$	588	$	761
Derivatives not designated as hedging instruments:
Foreign exchange contracts (non-designated hedges)	5		—		6		16
Total derivative instruments	$	1,246	$	499	$	594	$	777