Derivatives and Hedging Activities (Tables)

9 Months Ended

Apr. 30, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

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 derivatives designated as hedging instruments:

	Three months ended April 30,				Nine months ended April 30,
	2020		2019		2020		2019
(Losses) gains recognized in OCI:
Foreign exchange contracts (cash flow hedges)	$	(1,751)	$	220	$	(1,192)	$	377
Foreign currency denominated debt (net investment hedges)	707		1,314		1,260		2,336
Gains reclassified from OCI into cost of goods sold:
Forward exchange contracts (cash flow hedges)	293		292		779		579

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

	April 30, 2020		July 31, 2019
Designated as cash flow hedges	$	21,533	$	26,013
Non-designated hedges	2,707		3,376
Total foreign exchange contracts	$	24,240	$	29,389

Fair Values of Derivative Instruments in Consolidated Balance Sheets

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

	April 30, 2020						July 31, 2019
	Prepaid expenses and other current assets		Other current liabilities		Current maturities on long-term obligations		Prepaid expenses and other current assets		Other current liabilities		Current maturities on long-term obligations
Derivatives designated as hedging instruments:
Foreign exchange contracts (cash flow hedges)	$	176	$	—	$	—	$	472	$	—	$	—
Foreign currency denominated debt (net investment hedges)	—		—		48,929		—		—		50,189
Derivatives not designated as hedging instruments:
Foreign exchange contracts	65		1,360		—		2		5		—
Total derivative instruments	$	241	$	1,360	$	48,929	$	474	$	5	$	50,189