v2.4.0.8

Summarized Results from Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 31, 2013 | Oct. 31, 2014 | Oct. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Revenues from discontinued operations | $ 4,390 | $ 2,535 | $ 8,642
Income from discontinued operations before income taxes | 673 | 303 | 1,119
Income tax expense | 253 | 23 | 421
Net income from discontinued operations | 420 | 280 | 698
Loss on disposal of discontinued operations, net of tax |  | (1,537) |
Net income (loss) from discontinued operations, net of tax | $ 420 | $ (1,257) | $ 698

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