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Goodwill and Other Intangibles Narrative (Details) (USD $)
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3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
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Jan. 31, 2015
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Jan. 31, 2014
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Jan. 31, 2015
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Jan. 31, 2014
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| Goodwill and Intangible Assets Disclosure [Abstract] | ||||
| Amortization of intangible assets | $ 400,000 | $ 337,000 | $ 820,000 | $ 425,000 |
| Finite-lived intangible assets, amortization expense for remainder of current fiscal year | 788,000 | 788,000 | ||
| Indefinite-lived trademarks | 376,000 | 376,000 | ||
| Goodwill impairment loss | $ 0 | |||