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Goodwill (Tables) | 9 Months Ended
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Apr. 30, 2015
Goodwill [Abstract] |
Schedule of goodwill by segment | The carrying amount of goodwill by segment as of April 30, 2015 and July 31, 2014 are as follows:
|  | Telecommunications Transmission |  | RF Microwave Amplifiers |  | Mobile Data Communications |  | Total
Goodwill |  | $ | 107,779,000 |  |  | 29,575,000 |  |  | 13,249,000 |  |  | $ | 150,603,000 |
Accumulated impairment |  | — |  |  | — |  |  | (13,249,000 | ) |  | (13,249,000 | )
Balance |  | $ | 107,779,000 |  |  | 29,575,000 |  |  | — |  |  | $ | 137,354,000 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References 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 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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