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Income Taxes
9 Months Ended
Jan. 31, 2014
Income Tax Disclosure [Abstract]  
Income Taxes
10. INCOME TAXES

The benefit for income taxes for the three and nine months ended January 31, 2013 includes a ($5,242) deferred tax benefit due to a reduction of the valuation allowance. In determining the need for a valuation allowance, we assessed the available means of recovering deferred tax assets, including the existence of reversing temporary differences. The valuation allowance decreased due to the recognition of additional reversing temporary differences from the $5,242 deferred tax liability recorded through goodwill related to the BBI acquisition. The $5,242 deferred tax liability related to the BBI acquisition was based on the impact of temporary differences between the amounts of assets and liabilities recognized for financial reporting purposes and such amounts recognized for income tax purposes. The provision for income taxes for the nine months ending January 31, 2014 and the remaining portion of the ($3,899) benefit for income taxes for the nine months ending January 31, 2013 include a $1,092 and $1,176 deferred tax provision, respectively, due mainly to the increase in the deferred tax liability for indefinite lived assets, and a $183 and $167 current tax provision, respectively. Since we cannot determine when the deferred tax liability related to indefinite lived assets will reverse, this amount cannot be used as a future source of taxable income against which to benefit deferred tax assets.