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Income Taxes	6 Months Ended
Income Taxes	Jan. 31, 2013
Income Taxes [Abstract]
Income Taxes	Income Taxes During the three months ended January 31, 2013, the Company recorded a $25,000 non-cash tax charge for the repatriation of approximately $208,000 of cash during the three months ended January 31, 2013, associated with the funding of the acquisition of PDC. The Company does not provide for U.S. deferred taxes on cumulative earnings of non-U.S. affiliates and associated companies that have been reinvested indefinitely. The remaining earnings continue to be reinvested indefinitely as of January 31, 2013, and it is impracticable to estimate the amount on an interim basis.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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+ Details