Summary by Level of Fair Value of Financial Instruments Measured on Recurring Basis (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Assets:
Foreign currency forward contracts	$ 191
Liabilities:
Foreign currency forward contracts		$ 511
Contingent earnout arrangements	5,795	4,352
Fair Value, Inputs, Level 2
Assets:
Foreign currency forward contracts	191
Liabilities:
Foreign currency forward contracts		511
Fair Value, Inputs, Level 3
Liabilities:
Contingent earnout arrangements	$ 5,795	$ 4,352