XML 64 R54.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

GOODWILL AND INTANGIBLE ASSETS- Schedule of Intangible Assets (Details) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 649.4 |
Accumulated Amortization | (316.8) |
Net | 332.6 |
Gross Carrying Amount, Reclassification | (21.6) |
Accumulated Amortization, Reclassification | 8.5 |
Net, Reclassification | (13.1) |
Gross Carrying Amount | 627.8 | $ 645.8
Accumulated Amortization | (308.3) | (296.3)
Net | 319.5 | 349.5
Developed technologies |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 624.1 |
Accumulated Amortization | (315.1) |
Net | 309.0 |
Gross Carrying Amount |  | 626.1
Accumulated Amortization |  | (295.3)
Net |  | 330.8
Internal-use software |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 1.6 |
Accumulated Amortization | (0.4) |
Net | 1.2 |
Gross Carrying Amount |  | 0.8
Accumulated Amortization |  | (0.1)
Net |  | 0.7
Internal-use software (in-process) |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 16.0 |
Accumulated Amortization | 0.0 |
Net | 16.0 |
Gross Carrying Amount |  | 11.2
Accumulated Amortization |  | 0.0
Net |  | 11.2
Customer relationships |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 1.6 |
Accumulated Amortization | (0.3) |
Net | 1.3 |
Gross Carrying Amount |  | 1.6
Accumulated Amortization |  | (0.2)
Net |  | 1.4
Trademarks |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 6.1 |
Accumulated Amortization | (1.0) |
Net | $ 5.1 |
Gross Carrying Amount |  | 6.1
Accumulated Amortization |  | (0.7)
Net |  | $ 5.4

X
- Definition Finite-Lived Intangible Assets, Accumulated Amortization, Before Reclassification Of Assets Held For Sale + References No definition available. + Details
Name: | mygn_FiniteLivedIntangibleAssetsAccumulatedAmortizationBeforeReclassificationOfAssetsHeldForSale
Namespace Prefix: | mygn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Finite-Lived Intangible Assets, Accumulated Amortization, Reclassification Of Assets Held For Sale + References No definition available. + Details
Name: | mygn_FiniteLivedIntangibleAssetsAccumulatedAmortizationReclassificationOfAssetsHeldForSale
Namespace Prefix: | mygn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Finite-Lived Intangible Assets, Gross, Before Reclassification Of Assets Held For Sale + References No definition available. + Details
Name: | mygn_FiniteLivedIntangibleAssetsGrossBeforeReclassificationOfAssetsHeldForSale
Namespace Prefix: | mygn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Finite-Lived Intangible Assets, Gross, Reclassification Of Assets Held For Sale + References No definition available. + Details
Name: | mygn_FiniteLivedIntangibleAssetsGrossReclassificationOfAssetsHeldForSale
Namespace Prefix: | mygn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Finite-Lived Intangible Assets, Net, Before Reclassification Of Assets Held For Sale + References No definition available. + Details
Name: | mygn_FiniteLivedIntangibleAssetsNetBeforeReclassificationOfAssetsHeldForSale
Namespace Prefix: | mygn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Finite-Lived Intangible Assets, Net, Reclassification Of Assets Held For Sale + References No definition available. + Details
Name: | mygn_FiniteLivedIntangibleAssetsNetReclassificationOfAssetsHeldForSale
Namespace Prefix: | mygn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Intangible assets. + References No definition available. + Details
Name: | mygn_IntangibleAssetsLineItems
Namespace Prefix: | mygn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 928 -SubTopic 340 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478859/928-340-50-1 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483154/926-20-50-5 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_DevelopedTechnologyRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_ComputerSoftwareIntangibleAssetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=mygn_ComputerSoftwareInProcessIntangibleAssetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |