Income Taxes	3 Months Ended
Oct. 31, 2012
Income Tax Disclosure [Abstract]
Income Taxes	(13) Income Taxes Our effective tax rate was 35.5% for the three months ended October 31, 2012, and does not include any benefit associated with the federal research and experimentation credit which expired on December 31, 2011. Excluding the impact of any potential discrete tax items, our fiscal 2013 estimated tax rate is expected to approximate 35.5%. At October 31, 2012 and July 31, 2012, total unrecognized tax benefits, all of which were recorded as non-current income taxes payable in our Condensed Consolidated Balance Sheets, were $2,725,000 and $2,624,000, respectively, including interest of $109,000 and $95,000, respectively. Of these amounts, $2,047,000 and $1,990,000, respectively, net of the reversal of the federal benefit recognized as deferred tax assets relating to state reserves, excluding interest, would positively impact our effective tax rate, if recognized. Unrecognized tax benefits result from income tax positions taken or expected to be taken on our income tax returns for which a tax benefit has not been recorded in our financial statements. Our policy is to recognize interest and penalties relating to uncertain tax positions in income tax expense. Our federal income tax returns for fiscal 2010, fiscal 2011 and fiscal 2012 are subject to potential future IRS audit. Future tax assessments or settlements could have a material adverse effect on our consolidated results of operations and financial condition.

Income Taxes

3 Months Ended

Oct. 31, 2012

(13) Income Taxes

Our effective tax rate was 35.5% for the three months ended October 31, 2012, and does not include any benefit associated with the federal research and experimentation credit which expired on December 31, 2011. Excluding the impact of any potential discrete tax items, our fiscal 2013 estimated tax rate is expected to approximate 35.5%.

At October 31, 2012 and July 31, 2012, total unrecognized tax benefits, all of which were recorded as non-current income taxes payable in our Condensed Consolidated Balance Sheets, were $2,725,000 and $2,624,000, respectively, including interest of $109,000 and $95,000, respectively. Of these amounts, $2,047,000 and $1,990,000, respectively, net of the reversal of the federal benefit recognized as deferred tax assets relating to state reserves, excluding interest, would positively impact our effective tax rate, if recognized. Unrecognized tax benefits result from income tax positions taken or expected to be taken on our income tax returns for which a tax benefit has not been recorded in our financial statements.

Our policy is to recognize interest and penalties relating to uncertain tax positions in income tax expense.

Our federal income tax returns for fiscal 2010, fiscal 2011 and fiscal 2012 are subject to potential future IRS audit. Future tax assessments or settlements could have a material adverse effect on our consolidated results of operations and financial condition.