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Operating Results of Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Apr. 30, 2014 | Apr. 30, 2013 | Apr. 30, 2014 | Apr. 30, 2013
Discontinued Operations: |  |  |  |
Net sales |  | $ 119,436 | $ 83,903 | $ 338,619
Operating income (loss) of discontinued operations | (716) | 3,587 | (5,280) | 8,103
Pre-tax gain on disposal of discontinued business |  |  | 7,079 |
Impairment charges |  | 11,525 |  | 11,525
Income (loss) before income taxes | (716) | (7,938) | 1,799 | (3,422)
Income tax benefit | (713) | (2,982) | (1,886) | (1,582)
Income (loss) from discontinued operations, net of taxes | $ (3) | $ (4,956) | $ 3,685 | $ (1,840)

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