Acquisitions (Details) - USD ($) $ in Thousands							3 Months Ended	12 Months Ended
	Apr. 03, 2017	Jan. 26, 2017	Nov. 04, 2016	May 02, 2016	Apr. 13, 2016	Apr. 04, 2016	Jun. 30, 2017	Jun. 30, 2017	Jun. 30, 2016	May 31, 2017	Jun. 30, 2015
Business Acquisition [Line Items]
Goodwill							$ 380,846	$ 380,846	$ 344,027	$ 380,846	$ 168,146
Net proceeds from underwritten common stock public offering		$ 215,725				$ 92,788
Term Loan
Business Acquisition [Line Items]
Long-term debt, gross				$ 200,000
Customer Relationships
Business Acquisition [Line Items]
Acquired intangible assets, estimated useful lives								10 years	9 years 10 months 18 days
Delta
Business Acquisition [Line Items]
Cash paid at closing	$ 40,500
Goodwill	17,960
Acquired intangible assets, estimated useful lives							15 years
Goodwill deductible for tax purposes							$ 18,029	$ 18,029
Revenue								5,435
Net income (loss)								$ 805
Delta | Customer Relationships
Business Acquisition [Line Items]
Preliminary identifiable intangible assets	$ 8,000
Intangible asset useful life	9 years
Acquired intangible assets, estimated useful lives								9 years 1 month 21 days
Delta | Developed Technology
Business Acquisition [Line Items]
Preliminary identifiable intangible assets	$ 5,900
Intangible asset useful life	7 years
Delta | Backlog
Business Acquisition [Line Items]
Preliminary identifiable intangible assets	$ 3,100
Intangible asset useful life	2 years
CES Creative Electronic Systems S.A.
Business Acquisition [Line Items]
Cash paid at closing			$ 39,123
Goodwill			20,346
Revenue								$ 17,008
Net income (loss)								$ 1,196
CES Creative Electronic Systems S.A. | Customer Relationships
Business Acquisition [Line Items]
Preliminary identifiable intangible assets			$ 9,060
Intangible asset useful life			9 years
Acquired intangible assets, estimated useful lives								9 years
CES Creative Electronic Systems S.A. | Developed Technology
Business Acquisition [Line Items]
Preliminary identifiable intangible assets			$ 5,662
Intangible asset useful life			7 years
Carve-Out Business
Business Acquisition [Line Items]
Cash paid at closing				300,000
Goodwill				168,756
Goodwill deductible for tax purposes							$ 26,494	$ 26,494
Carve-Out Business | Term Loan
Business Acquisition [Line Items]
Long-term debt, gross				200,000
Carve-Out Business | Over-Allotment Option
Business Acquisition [Line Items]
Net proceeds from underwritten common stock public offering					$ 92,788
Carve-Out Business | Customer Relationships
Business Acquisition [Line Items]
Acquired intangible assets, estimated useful lives								11 years 6 months
Identifiable intangible assets acquired				70,900
Carve-Out Business | Developed Technology
Business Acquisition [Line Items]
Identifiable intangible assets acquired				29,700
Carve-Out Business | Backlog
Business Acquisition [Line Items]
Identifiable intangible assets acquired				$ 2,200