Accumulated Other Comprehensive Loss Schedule of Other Comprehensive Income (Loss), Tax (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2020	Jan. 31, 2019
Other Comprehensive Income (Loss), Tax [Abstract]
Cash flow hedges	$ 5	$ (61)	$ (30)	$ 38
Pension and other post-retirement benefits	93	0	93	0
Other income tax adjustments and currency translation	(130)	135	46	(224)
Income tax (expense) benefit related to items of other comprehensive income	$ (42)	$ 196	$ 169	$ (262)

Other Comprehensive Income Tax Other Adjustments

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- Definition

Tax effect of plan amendments that occurred that has not been recognized in net periodic benefit cost.

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- Definition

Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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-Publisher FASB
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- Definition

Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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