Goodwill Goodwill - Changes in Carrying Amount of Goodwill (Detail) $ in Thousands	12 Months Ended
Jun. 30, 2014 USD ($)
Goodwill [Roll Forward]
Ending Balance	$ 168,146
Micronetics
Goodwill [Roll Forward]
Beginning Balance	167,551
Goodwill adjustments	595
Ending Balance	168,146
Micronetics \| MCE
Goodwill [Roll Forward]
Beginning Balance	133,783
Goodwill adjustments	595
Ending Balance	134,378
Micronetics \| MDS
Goodwill [Roll Forward]
Beginning Balance	33,768
Goodwill adjustments	0
Ending Balance	$ 33,768

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

-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

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- Definition

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

+ References

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- Definition

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

+ References

No definition available.

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