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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jul. 31, 2012
Accounting Policies [Abstract] |
Schedule of foreign currency translation |
Cumulative loss on foreign currency translation as of July 31, 2010 |  |  |  | $ | (32,741 | )
Gain on foreign currency translation |  |  |  |  | 9,516 |
Cumulative loss on foreign currency translation as of July 31, 2011 |  |  |  | $ | (23,225 | )
Loss on foreign currency translation |  |  |  |  | (11,708 | )
Cumulative loss on foreign currency translation as of July 31, 2012 |  |  |  | $ | (34,933 | )
Schedule of fair value assumptions |
|  |  |  | July 31, 2012 |  | July 31, 2011 |  | July 31, 2010
--- | --- | --- | --- | --- | --- | --- | --- | ---
Expected life (in years) |  |  |  |  | 5.2 – 6.8 |  |  |  | 5.3 – 6.8 |  |  |  | 5.2 – 7.1 |
Risk-free interest rate |  |  |  |  | .68 – 1.7 | % |  |  | 1.7 – 2.9 | % |  |  | 2.1 – 3.3 | %
Estimated volatility |  |  |  |  | 24 – 26 | % |  |  | 26 – 31 | % |  |  | 28 – 36 | %
Expected dividends |  |  |  |  | 0 | % |  |  | 0 | % |  |  | 0 | %
Weighted-average fair value at measurement date |  |  |  | $ | 6.01 |  |  | $ | 6.59 |  |  | $ | 6.60 |

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- Definition Tabular disclosure of foreign currency exchange rate fluctuations. + References No definition available. + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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