Goodwill Goodwill - Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	11 Months Ended	12 Months Ended
May 31, 2017	Jun. 30, 2016
Goodwill [Roll Forward]
Beginning Balance	$ 344,027	$ 168,146
Ending Balance	380,846	344,027
MCE
Goodwill [Roll Forward]
Beginning Balance	134,378	134,378
Ending Balance	172,684	134,378
MDS
Goodwill [Roll Forward]
Beginning Balance	39,406	33,768
Ending Balance	39,406	39,406
Carve-Out Business
Goodwill [Roll Forward]
Beginning Balance	170,243	0
Ending Balance	168,756	170,243
Lewis Innovative Technologies
Goodwill [Roll Forward]
Goodwill arising from acquisition		5,638
Lewis Innovative Technologies \| MCE
Goodwill [Roll Forward]
Goodwill arising from acquisition		0
Lewis Innovative Technologies \| MDS
Goodwill [Roll Forward]
Goodwill arising from acquisition		5,638
Carve-Out Business
Goodwill [Roll Forward]
Goodwill arising from acquisition		170,243
Goodwill adjustments	(1,487)
Carve-Out Business \| Carve-Out Business
Goodwill [Roll Forward]
Goodwill arising from acquisition		$ 170,243
Goodwill adjustments	(1,487)
CES Creative Electronic Systems S.A.
Goodwill [Roll Forward]
Goodwill arising from acquisition	20,346
CES Creative Electronic Systems S.A. \| MCE
Goodwill [Roll Forward]
Goodwill arising from acquisition	20,346
Delta
Goodwill [Roll Forward]
Goodwill arising from acquisition	17,960
Delta \| MCE
Goodwill [Roll Forward]
Goodwill arising from acquisition	$ 17,960

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e961-128460

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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