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Commitments and Contingencies	9 Months Ended
Commitments and Contingencies	Apr. 30, 2020
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Contingent Consideration Arrangements At April 30, 2020, zero was recorded associated with the Hu-Friedy acquisition, which is for the estimated fair value of contingent consideration payable upon the achievement of a targeted net sales and gross profit percentage for a twelve month period as defined in the purchase agreement. At April 30, 2020, $1,638 was recorded associated with the Aexis acquisition, which is for the estimated fair value of contingent consideration payable upon the achievement of certain purchase order targets through March 21, 2020. See Note 9, “Fair Value Measurements” for additional information. Legal Matters In the normal course of business, we are subject to pending and threatened legal actions. It is our policy to accrue for amounts related to these legal matters if it is probable that a liability has been incurred and an amount of anticipated exposure can be reasonably estimated. We do not believe that any of these pending claims or legal actions will have a material effect on our business, financial condition, results of operations or cash flows.