Recent accounting pronouncements:	3 Months Ended
Oct. 31, 2011
Recent accounting pronouncements:	2. Recent accounting pronouncements: *Recently adopted* Impairment testing In December 2010, the Financing Accounting Standards Board (the “FASB”) issued guidance modifying Step 1 of the goodwill impairment test for reporting units with zero or negative carrying amounts. For those reporting units, an entity is required to perform Step 2 of the goodwill impairment test if it is more likely than not that a goodwill impairment exists. This guidance was effective for the Company on August 1, 2011, and will apply to its impairment testing to be performed in the three months ending January 31, 2012, and it is not expected to have a material impact on its financial position, results of operations and cashflows. In September 2011, the FASB issued an accounting standards update which provides, subject to certain conditions, the option to perform a qualitative, rather than quantitative, assessment to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. The update will be effective for the Company in its first quarter of fiscal year 2012. The update may reduce the complexity and costs of testing goodwill for impairment, but otherwise is not expected to have a material impact on its consolidated financial position, annual results of operations or cash flows. Business combinations and noncontrolling interests In December 2010, the FASB issued guidance specifying that if a public entity presents comparative financial statements, the entity (acquirer) should disclose revenue and earnings of the combined entity as though the business combination(s) that occurred during the current year had occurred as of the beginning of the comparable prior annual reporting period only. It also expands the supplemental pro forma disclosures to include a description of the nature and amount of material, nonrecurring pro forma adjustments directly attributable to the business combination included in the reported pro forma revenue and earnings. This guidance was effective for the Company prospectively for material business combinations for which the acquisition date was on or after August 1, 2011. *Not yet effective* Fair value measurements In May 2011, the FASB issued an update to the accounting on fair value measurement to provide a consistent definition of fair value and ensure that the fair value measurement and disclosure requirements are similar between U.S. GAAP and International Financial Reporting Standards (“IFRS”). This update changes certain fair value measurement principles and enhances the disclosure requirements for fair value measurements. This update does not extend the use of fair value accounting, but provides guidance on how it should be applied where its use is already required or permitted by other standards within U.S. GAAP or IFRS. This update is effective for interim and annual periods beginning after December 15, 2011 and is applied prospectively. Early adoption is prohibited. This guidance is effective for the Company on February 1, 2012 and the Company is currently evaluating the impact, if any, of this new accounting update on its financial position, results of operations, or cash flows. Presentation of Comprehensive Income In June 2011, the FASB issued an update to the accounting on comprehensive income to increase the prominence of items reported in other comprehensive income and to facilitate convergence of U.S. GAAP and IFRS. This update requires that all non-owner changes in stockholders’ equity be presented either in a single continuous statement of comprehensive income or in two separate but consecutive statements. This update does not change the items that must be reported in other comprehensive income or when an item of other comprehensive income must be reclassified to net income. Further, this update does not affect how earnings per share is calculated or presented. This update is effective for annual periods beginning after December 15, 2011 and annual and interim periods thereafter. The update is applied retrospectively, and early adoption is permitted. This guidance is effective for the Company on August 1, 2012 and will have no impact on its financial position, results of operations, or cash flows.

Recent accounting pronouncements:

3 Months Ended

Oct. 31, 2011

2. Recent accounting pronouncements:

Recently adopted

Impairment testing

In December 2010, the Financing Accounting Standards Board (the “FASB”) issued guidance modifying Step 1 of the goodwill impairment test for reporting units with zero or negative carrying amounts. For those reporting units, an entity is required to perform Step 2 of the goodwill impairment test if it is more likely than not that a goodwill impairment exists. This guidance was effective for the Company on August 1, 2011, and will apply to its impairment testing to be performed in the three months ending January 31, 2012, and it is not expected to have a material impact on its financial position, results of operations and cashflows.

In September 2011, the FASB issued an accounting standards update which provides, subject to certain conditions, the option to perform a qualitative, rather than quantitative, assessment to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. The update will be effective for the Company in its first quarter of fiscal year 2012. The update may reduce the complexity and costs of testing goodwill for impairment, but otherwise is not expected to have a material impact on its consolidated financial position, annual results of operations or cash flows.

Business combinations and noncontrolling interests

In December 2010, the FASB issued guidance specifying that if a public entity presents comparative financial statements, the entity (acquirer) should disclose revenue and earnings of the combined entity as though the business combination(s) that occurred during the current year had occurred as of the beginning of the comparable prior annual reporting period only. It also expands the supplemental pro forma disclosures to include a description of the nature and amount of material, nonrecurring pro forma adjustments directly attributable to the business combination included in the reported pro forma revenue and earnings. This guidance was effective for the Company prospectively for material business combinations for which the acquisition date was on or after August 1, 2011.

Not yet effective

Fair value measurements

In May 2011, the FASB issued an update to the accounting on fair value measurement to provide a consistent definition of fair value and ensure that the fair value measurement and disclosure requirements are similar between U.S. GAAP and International Financial Reporting Standards (“IFRS”). This update changes certain fair value measurement principles and enhances the disclosure requirements for fair value measurements. This update does not extend the use of fair value accounting, but provides guidance on how it should be applied where its use is already required or permitted by other standards within U.S. GAAP or IFRS. This update is effective for interim and annual periods beginning after December 15, 2011 and is applied prospectively. Early adoption is prohibited. This guidance is effective for the Company on February 1, 2012 and the Company is currently evaluating the impact, if any, of this new accounting update on its financial position, results of operations, or cash flows.

Presentation of Comprehensive Income

In June 2011, the FASB issued an update to the accounting on comprehensive income to increase the prominence of items reported in other comprehensive income and to facilitate convergence of U.S. GAAP and IFRS. This update requires that all non-owner changes in stockholders’ equity be presented either in a single continuous statement of comprehensive income or in two separate but consecutive statements. This update does not change the items that must be reported in other comprehensive income or when an item of other comprehensive income must be reclassified to net income. Further, this update does not affect how earnings per share is calculated or presented. This update is effective for annual periods beginning after December 15, 2011 and annual and interim periods thereafter. The update is applied retrospectively, and early adoption is permitted. This guidance is effective for the Company on August 1, 2012 and will have no impact on its financial position, results of operations, or cash flows.

- Definition

The entire disclosure for reporting accounting changes and error corrections. It includes the conveyance of information necessary for a user of the Company's financial information to understand all aspects and required disclosure information concerning all changes and error corrections reported in the Company's financial statements for the period.

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