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Income Taxes
 9 Months Ended
Mar. 31, 2012
Income Taxes [Abstract]  
Income Taxes
4. Income Taxes

The Company accounts for income taxes in accordance with ASC 740, Income Taxes. Under ASC 740, deferred tax assets and liabilities are computed based on the difference between the financial reporting and income tax bases of assets and liabilities using the enacted marginal tax rate. ASC 740 requires that the net deferred tax asset be reduced by a valuation allowance if, based on the weight of available evidence, it is more likely than not that some portion or all of the net deferred tax asset will not be realized. The provision for income taxes is based on earnings reported in the unaudited condensed consolidated financial statements. Deferred income tax expense or benefit is measured by the change in the deferred income tax asset or liability during the period. For the quarter ended March 31, 2012 and 2011, the Company's effective income tax rate was 41.0% and 50.0%, respectively. For the nine months ended March 31, 2012 and 2011, the Company's effective income tax rate was 43.1% and 49.0%, respectively. The effective income tax rate differs from the statutory federal income tax rate primarily due to state income taxes and certain expenses not deductible for income tax purposes.