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Components of Loss from Discontinued Operations (Detail) (USD $)
In Thousands, unless otherwise specified

3 Months Ended

6 Months Ended

Jan. 31, 2013

Jan. 31, 2012

Jan. 31, 2013

Jan. 31, 2012

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Income (loss) from the operations of TFL

$ (656)

$ (1,205)

$ (1,487)

$ (2,603)

Gain on the disposition of the TFL business

709

Income (loss) from other discontinued operations

(186)

670

(182)

670

Loss from discontinued operations

$ (133)

$ (535)

^[1]

$ (960)

$ (1,933)

^[1]

[1]	As Restated

- Definition

The gain (loss) resulting from the sale of a disposal group that is not a discontinued operation. It is included in income from continuing operations before income taxes in the income statement.

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- Definition

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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