Derivatives and Hedging Activities (Tables)

6 Months Ended

Jan. 31, 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 January 31,					Six months ended January 31,
	2020		2019			2020		2019
Gains (losses) recognized in OCI:
Foreign exchange contracts (cash flow hedges)	$	363	$	537		$	559	$	157
Foreign currency denominated debt (net investment hedges)	531		(598		)	553		1,022
Gains reclassified from OCI into cost of goods sold:
Forward exchange contracts (cash flow hedges)	105		240			486		287

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

	January 31, 2020		July 31, 2019
Designated as cash flow hedges	$	13,046	$	26,013
Non-designated hedges	3,483		3,376
Total foreign exchange contracts	$	16,529	$	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:

	January 31, 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)	$	727	—		—		$	472	—		—
Foreign currency denominated debt (net investment hedges)	—		—		49,635		—		—		50,189
Derivatives not designated as hedging instruments:
Foreign exchange contracts	13		33		—		2		5		—
Total derivative instruments	$	740	$	33	$	49,635	$	474	$	5	$	50,189