Acquisitions - Narrative (Details) £ / shares in Units, £ in Millions	1 Months Ended	12 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Feb. 26, 2016 USD ($)	Feb. 17, 2016 £ / shares	Jan. 12, 2016 USD ($)	Jan. 12, 2016 GBP (£) £ / shares
Acquisition Bid
Borrowings under credit agreement	$ 140,000,000	$ 140,000,000	$ 0
Net foreign currency transaction and remeasurement losses		(100,000)	800,000	$ 2,300,000
Purchase price		8,000,000	$ 0	$ 0
KBC
Acquisition Bid
Proposed transaction value per share | £ / shares								£ 1.85
Proposed transaction value | £								£ 158
Proposed transaction value, funded by cash on hand							$ 91,000,000
Fidelis
Acquisition Bid
Purchase price	8,000,000
Future contingent consideration payment	$ 2,000,000	$ 2,000,000
Weighted average discount rate (as a percent)	18.00%
Effective tax rate (as a percent)	34.00%
Weighted average remaining life		10 years 4 months 11 days
Bridge Loan | Credit Agreement
Acquisition Bid
Borrowings under credit agreement							$ 140,000,000
Line of Credit | Credit Agreement
Acquisition Bid
Borrowings under credit agreement	$ 140,000,000	$ 140,000,000			$ 140,000,000
Principal amount					$ 250,000,000.0
General and administrative | KBC
Acquisition Bid
Acquisition bid and bridge credit agreement costs		5,200,000
Other Income (Expense), net | KBC
Acquisition Bid
Net foreign currency transaction and remeasurement losses		$ 3,400,000
Developed technology | Fidelis
Acquisition Bid
Finite-lived intangible asset, useful life		10 years
In process research & development | Fidelis
Acquisition Bid
Finite-lived intangible asset, useful life		11 years
Customer relationships | Fidelis
Acquisition Bid
Finite-lived intangible asset, useful life		8 years
Yokogawa | KBC
Acquisition Bid
Proposed transaction value per share | £ / shares						£ 2.10