Acquisitions - Narrative (Details) - USD ($)				1 Months Ended	3 Months Ended		9 Months Ended
	Feb. 01, 2017	Nov. 04, 2016	May 02, 2016	Feb. 28, 2017	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2016
Business Acquisition [Line Items]
Estimated fair value of goodwill					$ 365,713,000		$ 365,713,000		$ 344,027,000
Net purchase price							36,911,000	$ 9,756,000
CES Creative Electronic Systems S.A.
Business Acquisition [Line Items]
Total purchase price		$ 39,123,000
Cash paid at closing		39,123,000
Payments received related to a working capital adjustment		330,000
Estimated fair value of goodwill		23,173,000
Revenue of acquiree since acquisition date					6,367,000		10,323,000
Net income (loss) of acquiree since acquisition date					668,000		923,000
Net purchase price		38,793,000
Carve-Out Business
Business Acquisition [Line Items]
Total purchase price			$ 298,569,000
Cash paid at closing			300,000,000
Payments received related to a working capital adjustment			1,838,000	$ 1,838,000
Estimated fair value of goodwill			168,756,000
Business Acquisition, Goodwill, Expected Tax Deductible Amount					27,166,000		27,166,000
Revenue of acquiree since acquisition date					25,870,000		76,108,000
Net income (loss) of acquiree since acquisition date					$ (284,000)		$ (4,197,000)
Pro forma net revenues						$ 90,023,000		258,519,000
Pro forma net income						$ 4,081,000		$ 11,161,000
Basic pro forma net earnings per share						$ 0.11		$ 0.29
Diluted pro forma net earnings per share						$ 0.10		$ 0.29
Developed Technology Rights [Member] | CES Creative Electronic Systems S.A.
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired		$ 5,662,000
Useful life of acquired assets		7 years
Developed Technology Rights [Member] | Carve-Out Business
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired			29,700,000
Customer Relationships [Member] | CES Creative Electronic Systems S.A.
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired		$ 9,472,000
Useful life of acquired assets		9 years
Customer Relationships [Member] | Carve-Out Business
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired			70,900,000
Backlog [Member] | Carve-Out Business
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired			2,200,000
Over-Allotment Option [Member]
Business Acquisition [Line Items]
Sale of Stock, Consideration Received on Transaction	$ 215,732,000		92,788,000
Secured Debt | Term Loan A
Business Acquisition [Line Items]
Face amount			$ 200,000,000