Acquisitions - Net Purchase Price and Fair Values of Assets and Liabilities Acquired (Details) - USD ($) $ in Thousands			1 Months Ended	9 Months Ended
	Nov. 04, 2016	May 02, 2016	Feb. 28, 2017	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2016
Consideration transferred
Net purchase price				$ 36,911	$ 9,756
Estimated fair value of tangible assets acquired and liabilities assumed
Estimated fair value of goodwill				$ 365,713		$ 344,027
CES Creative Electronic Systems S.A.
Consideration transferred
Cash paid at closing	$ 39,123
Working capital adjustment	(330)
Net purchase price	38,793
Estimated fair value of tangible assets acquired and liabilities assumed
Accounts receivable and cost in excess of billings	2,698
Inventory	7,262
Fixed assets	1,468
Current and non-current deferred tax assets	312
Other current and non-current assets	1,087
Current liabilities	(3,141)
Non-current liabilities	(8,031)
Non-current deferred tax liabilities	(1,169)
Estimated fair value of net tangible assets acquired	486
Estimated fair value of identifiable intangible assets	15,134
Estimated fair value of goodwill	23,173
Estimated fair value of assets acquired	38,793
Net purchase price	$ 39,123
Carve-Out Business
Consideration transferred
Cash paid at closing		$ 300,000
Value allocated to replacement awards		407
Working capital adjustment		(1,838)	$ (1,838)
Estimated fair value of tangible assets acquired and liabilities assumed
Accounts receivable and cost in excess of billings		17,157
Inventory		25,477
Fixed assets		13,996
Other current and non-current assets		524
Current liabilities		(4,692)
Non-current deferred tax liabilities		(25,449)
Estimated fair value of net tangible assets acquired		27,013
Estimated fair value of identifiable intangible assets		102,800
Estimated fair value of goodwill		168,756
Estimated fair value of assets acquired		298,569
Net purchase price		$ 298,569