Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2017	Jun. 30, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 168,694	$ 168,694	$ 144,296
Accumulated Amortization	(39,657)	(39,657)	(27,623)
Net Carrying Amount	129,037	129,037	116,673
Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	117,630	117,630	105,370
Accumulated Amortization	(31,533)	(31,533)	(23,824)
Net Carrying Amount	86,097	$ 86,097	$ 81,546
Weighted Average Useful Life		10 years	9 years 10 months 18 days
Licensing agreements and patents
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,131	$ 1,131	$ 756
Accumulated Amortization	(277)	(277)	(38)
Net Carrying Amount	854	$ 854	$ 718
Weighted Average Useful Life		3 years 8 months 12 days	4 years
Completed technologies
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	44,503	$ 44,503	$ 35,840
Accumulated Amortization	(6,079)	(6,079)	(3,545)
Net Carrying Amount	38,424	$ 38,424	$ 32,295
Weighted Average Useful Life		7 years 10 months 24 days	7 years 7 months 18 days
Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,430	$ 5,430	$ 2,330
Accumulated Amortization	(1,768)	(1,768)	(216)
Net Carrying Amount	3,662	$ 3,662	$ 2,114
Weighted Average Useful Life		2 years	2 years
Delta
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	17,000	$ 17,000
Accumulated Amortization	(761)	(761)
Net Carrying Amount	$ 16,239	16,239
Weighted Average Useful Life	15 years
Delta | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 8,000	8,000
Accumulated Amortization	(225)	(225)
Net Carrying Amount	7,775	$ 7,775
Weighted Average Useful Life		9 years 1 month 21 days
Delta | Completed technologies
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,900	$ 5,900
Accumulated Amortization	(148)	(148)
Net Carrying Amount	5,752	$ 5,752
Weighted Average Useful Life		10 years
Delta | Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,100	$ 3,100
Accumulated Amortization	(388)	(388)
Net Carrying Amount	2,712	$ 2,712
Weighted Average Useful Life		2 years
CES Creative Electronic Systems S.A.
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	14,722	$ 14,722
Accumulated Amortization	(1,228)	(1,228)
Net Carrying Amount	13,494	13,494
CES Creative Electronic Systems S.A. | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	9,060	9,060
Accumulated Amortization	(681)	(681)
Net Carrying Amount	8,379	$ 8,379
Weighted Average Useful Life		9 years
CES Creative Electronic Systems S.A. | Completed technologies
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,662	$ 5,662
Accumulated Amortization	(547)	(547)
Net Carrying Amount	5,115	$ 5,115
Weighted Average Useful Life		7 years
Carve-Out Business
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	102,800	$ 102,800
Accumulated Amortization	(13,829)	(13,829)
Net Carrying Amount	88,971	88,971
Carve-Out Business | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	70,900	70,900
Accumulated Amortization	(7,856)	(7,856)
Net Carrying Amount	63,044	$ 63,044
Weighted Average Useful Life		11 years 6 months
Carve-Out Business | Completed technologies
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	29,700	$ 29,700
Accumulated Amortization	(4,690)	(4,690)
Net Carrying Amount	25,010	$ 25,010
Weighted Average Useful Life		7 years 10 months
Carve-Out Business | Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,200	$ 2,200
Accumulated Amortization	(1,283)	(1,283)
Net Carrying Amount	$ 917	$ 917
Weighted Average Useful Life		2 years