Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Jul. 31, 2021

Statement of Comprehensive Income [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The following table illustrates the changes in the balances of each component of accumulated other comprehensive loss, net of tax, for the periods presented:

	Unrealized gain (loss) on cash flow hedges		Unamortized gain on postretirement plans		Foreign currency translation adjustments		Accumulated other comprehensive loss
Ending balance, July 31, 2019	$	707	$	2,800	$	(74,761)	$	(71,254)
Other comprehensive (loss) income before reclassification	(447)		(332)		6,303		5,524
Amounts reclassified from accumulated other comprehensive loss	(460)		(287)		—		(747)
Ending balance, July 31, 2020	$	(200)	$	2,181	$	(68,458)	$	(66,477)
Other comprehensive income (loss) before reclassification	1,228		(5)		9,888		11,111
Amounts reclassified from accumulated other comprehensive loss	(299)		(288)		—		(587)
Ending balance, July 31, 2021	$	729	$	1,888	$	(58,570)	$	(55,953)

Other Comprehensive Income, Tax [Table Text Block]

The following table illustrates the income tax (expense) benefit on the components of other comprehensive income (loss):

	Years Ended July 31,
	2021		2020		2019
Income tax (expense) benefit related to items of other comprehensive income (loss):
Cash flow hedges	$	(123)	$	283	$	55
Pension and other post-retirement benefits	95		229		164
Other income tax adjustments and currency translation	(378)		(337)		(972)
Income tax (expense) benefit related to items of other comprehensive income (loss)	$	(406)	$	175	$	(753)