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Unrecognized Tax Benefits
 3 Months Ended
Jul. 31, 2012
Unrecognized Tax Benefits [Abstract]  
Unrecognized Tax Benefits

7.   Unrecognized Tax Benefits

            The total amount of gross unrecognized tax benefits was $7,538 at April 30, 2012.  At July 31, 2012, we had a total of $8,482 in gross unrecognized tax benefits.  Of this amount, $5,513 represents the amount of unrecognized tax benefits that, if recognized, would impact our effective tax rate.  The total amount of accrued interest and penalties for such unrecognized tax benefits was $314 at July 31, 2012 and $249 at April 30, 2012.  Net interest and penalties included in income tax expense for the three months ended July 31, 2012 was an expense of $65 and an expense of $29 for the same period of 2011.  These unrecognized tax benefits relate to certain federal and state income tax filing positions claimed for our corporate subsidiaries.

A number of years may elapse before an uncertain tax position is audited and ultimately settled.  It is difficult to predict the ultimate outcome or the timing of resolution for uncertain tax positions.  It is reasonably possible that the amount of unrecognized tax benefits could significantly increase or decrease within the next twelve months.  These changes could result from the expiration of the statute of limitations, examinations or other unforeseen circumstances.  The Company currently has no ongoing federal income tax examinations.  Two states have an examination in progress.  The Company does not have any outstanding litigation related to tax matters.  At this time, management expects the aggregate amount of unrecognized tax benefits to decrease by approximately $1,554 within the next 12 months.  This expected decrease is due to the expiration of statute of limitations related to certain federal and state income tax filing positions.

The statute of limitations for federal income tax filings remains open for the years 2009 and forward.  Tax years 2008 and forward are subject to audit by state tax authorities depending on the tax code of each state.