CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
Oct. 31, 2019	Oct. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 37,498	$ 30,637
Foreign currency translation adjustments:
Foreign currency translation adjustments	50	(8,790)
Cash flow hedges:
Reclassification adjustment for gains included in net income	(381)	(47)
Total cash flow hedges	(185)	(427)
Pension and other post-retirement benefits:
Pension and other post-retirement benefits actuarial gain amortization	(105)	(155)
Other comprehensive loss before tax	(240)	(9,372)
Income tax benefit (expense) related to items of other comprehensive loss	211	(458)
Other comprehensive loss, net of tax	(29)	(9,830)
Comprehensive income	$ 37,469	$ 20,807

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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