Summary by Level of Fair Value of Financial Instruments Measured on Recurring Basis (Detail) (Fair Value, Measurements, Recurring, USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Jun. 30, 2012
Assets:
Foreign currency forward contracts	$ 187
Liabilities:
Contingent earnout arrangement	3,400
Foreign currency forward contracts		174
Fair Value, Inputs, Level 2
Assets:
Foreign currency forward contracts	187
Liabilities:
Foreign currency forward contracts		174
Fair Value, Inputs, Level 3
Liabilities:
Contingent earnout arrangement	$ 3,400