XML 103 R39.htm IDEA: XBRL DOCUMENT
v3.24.0.1

STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock Option Activity | A summary of the stock option activity under the Company's equity plans, and inducement awards for the year ended December 31, 2023 is as follows:
(number of shares in millions) | Number of shares |  | Weighted average exercise price |  | Weighted average remaining contractual life (years)
Options outstanding at December 31, 2022 | 0.7 |  |  | $ | 13.38 |  |  |
Options outstanding at December 31, 2023 | 0.7 |  |  | 13.38 |  |  | 3.62
Options exercisable at December 31, 2023 | 0.5 |  |  | 13.38 |  |  | 3.62
Options vested and expected to vest | 0.7 |  |  | $ | 13.38 |  |  | 3.62
Schedule of Restricted Stock Units Activity | A summary of the RSU awards activity under the Company's equity plans and inducement awards, including PSU awards, for the year ended December 31, 2023 is as follows:
| 2023
(number of shares in millions) | Number of shares |  | Weighted average grant date fair value
RSUs unvested and outstanding at December 31, 2022 | 3.7 |  |  | $ | 25.08 |
RSUs granted | 2.4 |  |  | 23.02 |
Less: |  |  |
RSUs vested | (1.3) |  |  | 23.55 |
RSUs canceled | (0.4) |  |  | 24.38 |
RSUs unvested and outstanding at December 31, 2023 | 4.4 |  |  | $ | 24.37 |
Schedule of Stock-Based Compensation Expense | Stock-based compensation expense recognized and included in the Consolidated Statements of Operations was allocated as follows:
| Years Ended December 31,
(in millions) | 2023 |  | 2022 |  | 2021
Cost of testing revenue | $ | 1.4 |  |  | $ | 1.7 |  |  | $ | 1.5 |
Cost of other revenue | — |  |  | — |  |  | 0.1 |
Research and development expense | 4.0 |  |  | 5.2 |  |  | 4.2 |
Selling, general, and administrative expense | 35.3 |  |  | 31.2 |  |  | 30.5 |
Total stock-based compensation expense | $ | 40.7 |  |  | $ | 38.1 |  |  | $ | 36.3 |
Schedule of Aggregate Intrinsic Value | The aggregate intrinsic value of options outstanding, aggregate intrinsic value of options that are fully vested and aggregate intrinsic value of RSUs vested and expected to vest is as follows:
(in millions) | As of December 31, 2023
Aggregate intrinsic value of options outstanding | $ | 3.9 |
Aggregate intrinsic value of options fully vested | 2.6 |
Aggregate intrinsic value of RSUs outstanding | 84.1 |
Schedule of Intrinsic Value of Options Exercised | The total intrinsic value of options exercised was as follows:
| Years Ended December 31,
(in millions) | 2023 |  | 2022 |  | 2021
Total intrinsic value of options exercised | $ | — |  |  | $ | — |  |  | $ | 29.2 |
Schedule of Shares Purchased and Compensation Expenses for ESPP | Shares purchased under, and compensation expense associated with, the Amended and Restated 2012 Purchase Plan for the periods reported are as follows:
| Years Ended December 31,
(in millions) | 2023 |  | 2022 |  | 2021
Shares purchased under the plans | 0.4 |  |  | 0.3 |  |  | 0.2 |
Plan compensation expense | $ | 2.2 |  |  | $ | 1.9 |  |  | $ | 1.5 |
Schedule of Valuation Assumptions for ESPP | The fair value of shares issued under the Amended and Restated 2012 Purchase Plan that was in effect for each period reported was calculated using the Black‑Scholes option-pricing model using the weighted-average assumptions below. Each of these inputs is subjective and its determination generally requires significant judgment.
| Years Ended December 31,
| 2023 |  | 2022 |  | 2021
Risk-free interest rate | 5.1% |  | 1.4% |  | 0.1%
Expected dividend yield | —% |  | —% |  | —%
Expected life (in years) | 0.5 |  | 0.5 |  | 0.5
Expected volatility | 56% |  | 53% |  | 60%

X
- Definition Schedule Of Share-Based Compensation Arrangement By Share-Based Payment Award, Aggregate Intrinsic Value + References No definition available. + Details
Name: | mygn_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateIntrinsicValueTableTextBlock
Namespace Prefix: | mygn_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the total intrinsic value of options exercised (or share units converted), share-based liabilities paid, and the total fair value of shares vested during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (d)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of employee stock purchase plan activity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration