Reconciliation of Beginning and Ending Fair Value Measurements of Level Three Contingent Earnout Arrangements Related to Acquisition (Detail) - Fair Value, Inputs, Level 3 $ in Thousands	6 Months Ended
	Dec. 31, 2017 USD ($)
EpiWorks and IPI
Business Acquisition Contingent Consideration [Line Items]
Balance - beginning of period	$ 5,795
Contingent earnout arrangements:
Net put option	2,233
Balance - end of period	7,813
EpiWorks and IPI | Other Expense, (Income)
Contingent earnout arrangements:
Changes in fair value recorded in other expense, (income)	(180)
IPI
Contingent earnout arrangements:
Purchase price adjustment - IPI	$ (35)