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Reconciliation of Beginning and Ending Fair Value Measurements of Level Three Contingent Earnout Arrangements Related to Company's Acquisitions (Detail)
$ in Thousands
6 Months Ended
Dec. 31, 2018
USD ($)
Contingent earnout arrangements:  
Payments on earnout arrangements $ (3,540)
Fair Value, Inputs, Level 3  
Business Acquisition Contingent Consideration [Line Items]  
Balance - beginning of period 7,429
Contingent earnout arrangements:  
Payments on earnout arrangements (3,540)
Other earnout arrangements 2,597
Balance - end of period 5,721
Fair Value, Inputs, Level 3 | Other Expense, (Income)  
Contingent earnout arrangements:  
Changes in fair value recorded in other expense, (income) $ (765)