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Organization And Summary Of Significant Accounting Policies (Policy)
6 Months Ended
Oct. 31, 2011
Organization And Summary Of Significant Accounting Policies [Abstract]  
Basis Of Consolidation And Presentation
Use Of Estimates And Uncertainties

Use of Estimates and Uncertainties

The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from these estimates, and changes in estimates are reported in current operations. The most significant areas that require management judgment are revenue recognition, deferred compensation, annual performance related compensation, evaluation of the carrying value of receivables, marketable securities, goodwill and other intangible assets, fair value of contingent consideration and the recoverability of deferred income taxes.

Revenue Recognition
Allowance For Doubtful Accounts

Allowance for Doubtful Accounts

A provision is established for doubtful accounts through a charge to general and administrative expenses based on historical loss experience, assessment of the collectability of specific accounts, as well as expectations of future collections based upon trends and the type of work for which services are rendered. After all collection efforts have been exhausted, the Company reduces the allowance for doubtful accounts for balances identified as uncollectible.

Cash And Cash Equivalents
Restricted Cash
Marketable Securities
Business Acquisitions
Goodwill And Intangible Assets
Compensation And Benefits Expense
Restructuring Charges
Stock-Based Compensation

Stock-Based Compensation

The Company has employee compensation plans under which various types of stock-based instruments are granted. These instruments, principally include stock options, stock appreciation rights ("SARs"), restricted stock and an Employee Stock Purchase Plan ("ESPP"). The Company recognizes compensation expense related to restricted stock and SARs and the estimated fair value of stock options and stock purchases under the ESPP.

Fair Value Of Financial Instruments

Fair Value of Financial Instruments

The Company measures the fair values of its financial instruments in accordance with accounting guidance that defines fair value, provides guidance for measuring fair value and requires certain disclosures. The guidance also discusses valuation techniques, such as the market approach (comparable market prices), the income approach (present value of future income or cash flow) and the cost approach (cost to replace the service capacity of an asset or replacement cost). The guidance establishes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The following is a brief description of those three levels:

 

   

Level 1: Observable inputs such as quoted prices (unadjusted) in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities.

 

   

Level 2: Inputs other than quoted prices that are observable for the asset or liability, either directly or indirectly. These include quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active.

 

   

Level 3: Unobservable inputs that reflect the reporting entity's own assumptions.

As of October 31, 2011, the Company held certain assets that are required to be measured at fair value on a recurring basis. These included cash equivalents and marketable securities. The carrying amount of cash, cash equivalents and accounts receivable approximates fair value due to the short maturity of these instruments. The fair values of marketable securities classified as trading, are obtained from quoted market prices and the fair values of marketable securities classified as available-for-sale, are obtained from a third party, which are based on quoted prices or market prices for similar assets.