v3.8.0.1

Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 7,110	$ (59,664)	$ 19,317	$ (49,618)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment, net of tax	(1,703)	178	3,038	(2,415)
Unrecognized gain on pension benefits, net of tax	41	58	114	167
Unrealized (loss) on foreign currency forward contracts, net of tax	(466)	(324)	(571)	(153)
Unrealized (loss) on available-for-sale securities, net of tax	(33)		(150)
Total other comprehensive (loss) income, net of tax	(2,161)	(88)	2,431	(2,401)
Total comprehensive income (loss)	$ 4,949	$ (59,752)	$ 21,748	$ (52,019)

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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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to parent entity. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent.

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Amount after tax and reclassification adjustments, of 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), attributable to parent entity.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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