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Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Sep. 30, 2014
Summarized Amounts Reported as Intangible Assets | The following summarizes the amounts reported as intangible assets:
|  | Gross |  |  |  |  |  |  |
|  | Carrying |  |  | Accumlated |  |  |  |
(In thousands) |  | Amount |  |  | Amortization |  |  | Net |
September 30, 2014: |  |  |  |  |  |  |  |  |  |  |  |
Purchased licenses and technologies |  | $ | 199,100 |  |  | $ | (7,781 | ) |  | $ | 191,319 |
Customer relationships |  |  | 4,650 |  |  | $ | (1,557 | ) |  |  | 3,093 |
Trademarks |  |  | 3,000 |  |  | $ | (250 | ) |  |  | 2,750 |
Total amortizable intangible assets |  |  | 206,750 |  |  | $ | (9,588 | ) |  |  | 197,162 |
In-process research and development |  |  | 4,800 |  |  | $ | — |  |  |  | 4,800 |
Total non-amortizable intangible assets |  |  | 4,800 |  |  | $ | — |  |  |  | 4,800 |
Total intangible assets |  | $ | 211,550 |  |  | $ | (9,588 | ) |  | $ | 201,962 |
|  | Gross |  |  |  |  |  |  |
|  | Carrying |  |  | Accumlated |  |  |  |
(In thousands) |  | Amount |  |  | Amortization |  |  | Net |
June 30, 2014: |  |  |  |  |  |  |  |  |  |  |  |
Purchased licenses and technologies |  | $ | 201,100 |  |  | $ | (6,597 | ) |  | $ | 194,503 |
Customer relationships |  |  | 4,650 |  |  |  | (1,441 | ) |  |  | 3,209 |
Trademarks |  |  | 3,000 |  |  |  | (200 | ) |  |  | 2,800 |
Total amortizable intangible assets |  |  | 208,750 |  |  |  | (8,238 | ) |  |  | 200,512 |
In-process research and development |  |  | 4,800 |  |  |  | — |  |  |  | 4,800 |
Total non-amortizable intangible assets |  |  | 4,800 |  |  |  | — |  |  |  | 4,800 |
Total intangible assets |  | $ | 213,550 |  |  | $ | (8,238 | ) |  | $ | 205,312 |
Amortization for Intangible Assets | The Company recorded amortization expense during the respective periods for these intangible assets as follows:
|  | Three months ended |
|  | September 30, |
(In thousands) |  | 2014 |  |  | 2013 |
Amortization of intangible assets |  | $ | 3,350 |  |  | $ | 244 |

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- Definition Schedule Of Intangible Assets. + References No definition available. + Details
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Namespace Prefix: | mygn_
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Balance Type: | na
Period Type: | duration

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- Definition Tabular disclosure of amortization expense of assets, excluding financial assets, that lack physical substance, having a limited useful life. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
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