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Summary of Significant Accounting Policies (Tables)

12 Months Ended

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

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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

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