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Guarantees - Indemnifications to Officers and Directors	12 Months Ended
	Jul. 31, 2015
Guarantees [Abstract]
Guarantees - Indemnifications to Officers and Directors	15 — Guarantees — Indemnifications to Officers and Directors The Company typically enters into indemnification agreements with its directors and certain of its officers to indemnify them to the extent permitted by law against any and all liabilities, costs, expenses, amounts paid in settlement and damages incurred by the directors as a result of any lawsuit, or any judicial, administrative or investigative proceeding in which the directors are sued as a result of their service as members of its Board of Directors.

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The entire disclosure for each guarantee obligation, or each group of similar guarantee obligations, including (a) the nature of the guarantee, including its term, how it arose, and the events or circumstances that would require the guarantor to perform under the guarantee; (b) the maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee; (c) the current carrying amount of the liability, if any, for the guarantor's obligations under the guarantee; and (d) the nature of any recourse provisions under the guarantee, and any assets held either as collateral or by third parties, and any relevant related party disclosure. Excludes disclosures about product warranties.

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