Summary by Level of Fair Value of Financial Instruments Measured on Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Jun. 30, 2018
Fair Value, Inputs, Level 3
Liabilities:
Contingent earnout arrangements	$ 7,346	$ 7,429
Fair Value, Measurements, Recurring
Assets:
Foreign currency forward contracts	43	121
Liabilities:
Contingent earnout arrangements	5,322	5,405
Net put option	2,024	2,024
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets:
Foreign currency forward contracts	43	121
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3
Liabilities:
Contingent earnout arrangements	5,322	5,405
Net put option	$ 2,024	$ 2,024