Reconciliation of Beginning and Ending Fair Value Measurements of Level Three Contingent Earnout Arrangement Related to Acquisition (Detail) - Fair Value, Inputs, Level 3 $ in Thousands	12 Months Ended
	Jun. 30, 2017 USD ($)
EpiWorks and IPI
Business Acquisition Contingent Consideration [Line Items]
Balance - beginning of period	$ 4,352
Contingent earnout arrangements:
Payments	(2,000)
Balance - end of period	5,795
EpiWorks and IPI | Other Expense, (Income)
Contingent earnout arrangements:
Changes in fair value recorded in other expense, (income)	1,193
Integrated Photonics, Inc
Business Acquisition Contingent Consideration [Line Items]
Contingent earnout - IPI	$ 2,250