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Transition Period Comparative Data (Unaudited) | 12 Months Ended
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Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Transition Period Comparative Data (Unaudited) | TRANSITION PERIOD COMPARATIVE DATA (UNAUDITED)
(in millions) | Year Ended |  | Six-month Period Ended
Consolidated Statement of Operations Data: | December 31, 2020 |  | December 31, 2019
Molecular diagnostic testing | $ | 513.5 |  |  | $ | 353.1 |
Pharmaceutical and clinical services | 43.6 |  |  | 28.3 |
Total revenue | 557.1 |  |  | 381.4 |
Costs and expenses: |  |  |
Cost of molecular diagnostic testing | 157.9 |  |  | 82.2 |
Cost of pharmaceutical and clinical services | 20.3 |  |  | 17.1 |
Research and development expense | 73.3 |  |  | 40.1 |
Selling, general and administrative expense | 496.9 |  |  | 270.4 |
Goodwill and long-lived asset impairment charges | 98.4 |  |  | 1.3 |
Total costs and expenses | 846.8 |  |  | 411.1 |
Operating loss | (289.7) |  |  | (29.7) |
Other income (expense): |  |  |
Interest income | 2.0 |  |  | 1.7 |
Interest expense | (11.2) |  |  | (5.4) |
Other | 15.3 |  |  | (0.3) |
Total other income (expense) | 6.1 |  |  | (4.0) |
Loss before income taxes | (283.6) |  |  | (33.7) |
Income tax benefit | (59.9) |  |  | (4.8) |
Net loss | (223.7) |  |  | (28.9) |
Net loss attributable to non-controlling interest | (0.1) |  |  | — |
Net loss attributable to Myriad Genetics Inc. stockholders | $ | (223.6) |  |  | $ | (28.9) |
Loss per share: |  |  |
Basic | $ | (2.99) |  |  | $ | (0.39) |
Diluted | $ | (2.99) |  |  | $ | (0.39) |
Weighted average shares outstanding: |  |  |
Basic | 74.8 |  |  | 74.1 |
Diluted | 74.8 |  |  | 74.1 |

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