Acquisitions - Net Purchase Price and Fair Values of Assets and Liabilities Acquired (Details) - USD ($) $ in Thousands				6 Months Ended
	Nov. 04, 2016	May 02, 2016	Dec. 16, 2015	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016
Consideration transferred
Net purchase price				$ 38,764	$ 9,764
Estimated fair value of tangible assets acquired and liabilities assumed
Estimated fair value of goodwill				$ 366,791		$ 344,027
CES Creative Electronic Systems S.A. [Member]
Consideration transferred
Cash paid at closing	$ 39,123
Working capital adjustment	(359)
Net purchase price	38,764
Estimated fair value of tangible assets acquired and liabilities assumed
Accounts receivable and cost in excess of billings	2,698
Inventory	8,072
Fixed assets	1,468
Current and non-current deferred tax assets	312
Other current and non-current assets	1,073
Current liabilities	(3,141)
Non-current liabilities	(8,031)
Non-current deferred tax liabilities	(1,169)
Estimated fair value of net tangible assets acquired	1,282
Estimated fair value of identifiable intangible assets	15,134
Estimated fair value of goodwill	22,348
Estimated fair value of assets acquired	38,764
Net purchase price	$ 39,123
Carve-Out Business
Consideration transferred
Cash paid at closing		$ 300,000
Value allocated to replacement awards		407
Estimated fair value of tangible assets acquired and liabilities assumed
Accounts receivable and cost in excess of billings		17,092
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		26,948
Estimated fair value of identifiable intangible assets		102,800
Estimated fair value of goodwill		170,659
Estimated fair value of assets acquired		300,407
Net purchase price		$ 300,407
Lewis Innovative Technologies, Inc. (LIT) [Member]
Consideration transferred
Net purchase price			$ 9,756