Summary by Level of Fair Value of Financial Instruments Measured on Recurring Basis (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Dec. 31, 2016	Jun. 30, 2016
Assets:
Foreign currency forward contracts	$ 1,163
Liabilities:
Foreign currency forward contracts		$ 511
Contingent earnout arrangement	5,225	4,352
Fair Value, Inputs, Level 2
Assets:
Foreign currency forward contracts	1,163
Liabilities:
Foreign currency forward contracts		511
Fair Value, Inputs, Level 3
Liabilities:
Contingent earnout arrangement	$ 5,225	$ 4,352