XML 40 R28.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Acquisitions (Tables) | 3 Months Ended
--- | ---
Sep. 30, 2018
Pro Forma Results of Acquisitions | Accordingly, these unaudited pro forma results are presented for informational purposes only and are not necessarily indicative of what the actual results of operation of the combined company would have been if the acquisition had occurred at the beginning of the period presented nor are they indicative of future results of operations and are not necessarily indicative of results that might have been achieved had the acquisition been consummated as of July 1, 2017.
|  | Three months ended |
|  | September 30, |
|  | 2018 |  |  | 2017 |
Revenue |  | $ | 212.5 |  |  | $ | 209.5 |
Income from operations |  |  | 11.5 |  |  |  | 69.6 |
Net income |  |  | 8.6 |  |  |  | 61.3 |
Net income per share, basic |  | $ | 0.11 |  |  | $ | 0.86 |
Net income per share, diluted |  | $ | 0.11 |  |  | $ | 0.84 |
Counsyl Inc [Member] |
Allocation of Consideration Transferred | The Company expects the allocation of the consideration transferred to be final within the measurement period (up to one year from the acquisition date).
|  | Estimated Fair Value |
Current assets |  | $ | 42.5 |
Intangible assets |  |  | 292.9 |
Equipment |  |  | 18.9 |
Other assets |  |  | 0.1 |
Goodwill |  |  | 94.9 |
Current liabilities |  |  | (19.6 | )
Long term liabilities |  |  | (0.1 | )
Deferred tax liability |  |  | (7.3 | )
Total fair value purchase price |  | $ | 422.3 |
Less: Cash acquired |  |  | (15.3 | )
Total consideration transferred |  | $ | 407.0 |

X
- Definition Business Acquisition Schedule Of Consideration Transferred [Table Text Block] + References No definition available. + Details
Name: | mygn_BusinessAcquisitionScheduleOfConsiderationTransferredTableTextBlock
Namespace Prefix: | mygn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionProFormaInformationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=mygn_CounsylIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |