Summary of Significant Accounting Policies	3 Months Ended
Jul. 31, 2012
Summary of Significant Accounting Policies [Abstract]
Summary of Significant Accounting Policies	2. Summary of Significant Accounting Policies *Basis of Presentation* The Company’s significant accounting policies and recent accounting pronouncements are described in Note 2 to the consolidated financial statements included in the Company’s Annual Report on Form 10-K for the fiscal year ended April 30, 2012, filed on June 11, 2012. There have been no changes in the Company’s accounting policies since April 30, 2012. The unaudited condensed consolidated financial statements and notes included herein should be read in conjunction with the audited consolidated financial statements and notes included in the Company’s Form 10-K. *Unaudited Interim Financial Information* The accompanying unaudited condensed consolidated financial statements and notes have been prepared in accordance with Generally Accepted Accounting Principles in the United States of America (“U.S. GAAP”) as contained in the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification for interim financial information and Article 10 of Regulation S-X issued by the United States Securities and Exchange Commission (the “SEC”). Accordingly, they do not include all the information and footnotes required by U.S. GAAP for annual fiscal reporting periods. In the opinion of management, the interim financial information includes all adjustments of a normal recurring nature necessary for a fair presentation of the results of operations, financial position, changes in stockholders’ equity and cash flows. The results of operations for the three months ended July 31, 2012 are not necessarily indicative of results that may be expected for the year ending April 30, 2013 or any other period. *Fair Value of Financial Instruments* The Company applies the authoritative guidance on fair value measurements for financial assets and liabilities and non-financial assets and liabilities, such as goodwill, indefinite-lived intangible assets and property plant and equipment that are measured at fair value on a non-recurring basis. The guidance defines fair value, thereby eliminating inconsistencies in guidance found in various prior accounting pronouncements, and increases disclosures surrounding fair value calculations. The guidance establishes a three-tiered fair value hierarchy that prioritizes inputs to valuation techniques used in fair value calculations. The three levels of inputs are defined as follows: Level 1: Unadjusted quoted prices for identical assets or liabilities in active markets accessible by the Company. Level 2: Inputs that are observable in the marketplace other than those inputs classified as Level 1. Level 3: Inputs that are unobservable in the marketplace and significant to the valuation. *Recently Adopted Accounting Pronouncements* *Comprehensive Income* In June 2011, the FASB issued a standard to require an entity to present the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements. The standard eliminates the option to present the components of other comprehensive income as part of the statement of equity. The updated accounting guidance is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011 on a retrospective basis. Early application is permitted. The Company has adopted the updated guidance in the first quarter of fiscal year 2013.

Summary of Significant Accounting Policies

3 Months Ended

Jul. 31, 2012

Summary of Significant Accounting Policies [Abstract]

Summary of Significant Accounting Policies

2. Summary of Significant Accounting Policies

Basis of Presentation

The Company’s significant accounting policies and recent accounting pronouncements are described in Note 2 to the consolidated financial statements included in the Company’s Annual Report on Form 10-K for the fiscal year ended April 30, 2012, filed on June 11, 2012. There have been no changes in the Company’s accounting policies since April 30, 2012. The unaudited condensed consolidated financial statements and notes included herein should be read in conjunction with the audited consolidated financial statements and notes included in the Company’s Form 10-K.

Unaudited Interim Financial Information

The accompanying unaudited condensed consolidated financial statements and notes have been prepared in accordance with Generally Accepted Accounting Principles in the United States of America (“U.S. GAAP”) as contained in the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification for interim financial information and Article 10 of Regulation S-X issued by the United States Securities and Exchange Commission (the “SEC”). Accordingly, they do not include all the information and footnotes required by U.S. GAAP for annual fiscal reporting periods. In the opinion of management, the interim financial information includes all adjustments of a normal recurring nature necessary for a fair presentation of the results of operations, financial position, changes in stockholders’ equity and cash flows. The results of operations for the three months ended July 31, 2012 are not necessarily indicative of results that may be expected for the year ending April 30, 2013 or any other period.

Fair Value of Financial Instruments

The Company applies the authoritative guidance on fair value measurements for financial assets and liabilities and non-financial assets and liabilities, such as goodwill, indefinite-lived intangible assets and property plant and equipment that are measured at fair value on a non-recurring basis. The guidance defines fair value, thereby eliminating inconsistencies in guidance found in various prior accounting pronouncements, and increases disclosures surrounding fair value calculations. The guidance establishes a three-tiered fair value hierarchy that prioritizes inputs to valuation techniques used in fair value calculations. The three levels of inputs are defined as follows:

Level 1: Unadjusted quoted prices for identical assets or liabilities in active markets accessible by the Company.

Level 2: Inputs that are observable in the marketplace other than those inputs classified as Level 1.

Level 3: Inputs that are unobservable in the marketplace and significant to the valuation.

Recently Adopted Accounting Pronouncements

Comprehensive Income

In June 2011, the FASB issued a standard to require an entity to present the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements. The standard eliminates the option to present the components of other comprehensive income as part of the statement of equity. The updated accounting guidance is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011 on a retrospective basis. Early application is permitted. The Company has adopted the updated guidance in the first quarter of fiscal year 2013.

- Definition

The entire disclosure for the organization, consolidation and basis of presentation of financial statements disclosure, and significant accounting policies of the reporting entity. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements.

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