Other Comprehensive Income Other Comprehensive Income

12 Months Ended

Jul. 31, 2020

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, 2018	$	863	$	3,302	$	(60,566)	$	(56,401)
Other comprehensive income (loss) before reclassification	630		67		(14,195)		(13,498)
Amounts reclassified from accumulated other comprehensive loss	(786)		(569)		—		(1,355)
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, Tax [Table Text Block]

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

	Years Ended July 31,
	2020		2019		2018
Income tax benefit (expense) related to items of other comprehensive income (loss):
Cash flow hedges	$	283	$	55	$	(669)
Pension and other post-retirement benefits	229		164		(64)
Other income tax adjustments and currency translation	(337)		(972)		(567)
Adoption of accounting standard ASU 2018-02	—		—		1,869
Income tax benefit (expense) related to items of other comprehensive income (loss)	$	175	$	(753)	$	569