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Stockholders' Equity (Details) shares in Millions	Jul. 31, 2015 shares
Equity [Abstract]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	1.1

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- References

No definition available.

+ Details

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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