Discontinued Operations - Operating Results (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			$ 37,365	$ 433
Net sales	0	46,246	0	161,862
Earnings (loss) from operations of discontinued businesses	0	3,629	(1,201)	16,390
Income tax benefit (expense)	0	275	(288)	(784)
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	0	0	(487)	0
Discontinued Operation, Tax Effect of Income (Loss) from Disposal of Discontinued Operation	0	0	61	0
Earnings (loss) from discontinued operations, net of income tax	0	3,904	(1,915)	15,606
Accumulated Translation Adjustment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			$ 34,697	$ 0

Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Amount of tax expense or benefit on gain (loss), not previously recognized, resulting from the sale of a business component.

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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