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Organization and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Schedule of Revenue by Type | The following table represents the Company’s revenue by type for the year ended December 31, 2021, the transition period ended December 31, 2020, and the years ended June 30, 2020 and 2019:
| Year Ended December 31, |  | Six-month Transition Period Ended December 31, |  | Years Ended June 30,
(In millions) | 2021 |  | 2020 |  | 2020 |  | 2019
Molecular diagnostic revenues: |  |  |  |  |  |  |
Hereditary Cancer | $ | 316.3 |  |  | $ | 159.3 |  |  | $ | 347.4 |  |  | $ | 479.7 |
Tumor Profiling | 120.9 |  |  | 33.9 |  |  | 48.3 |  |  | 43.0 |
Prenatal | 106.8 |  |  | 37.6 |  |  | 76.7 |  |  | 104.9 |
Pharmacogenomics | 93.7 |  |  | 29.8 |  |  | 74.1 |  |  | 112.6 |
Autoimmune | 28.2 |  |  | 18.0 |  |  | 39.1 |  |  | 48.3 |
Other | 0.5 |  |  | 1.0 |  |  | 1.3 |  |  | 0.9 |
Total molecular diagnostic revenue | 666.4 |  |  | 279.6 |  |  | 586.9 |  |  | 789.4 |
Pharmaceutical and clinical service revenue | 24.2 |  |  | 20.2 |  |  | 51.7 |  |  | 61.7 |
Total revenue | $ | 690.6 |  |  | $ | 299.8 |  |  | $ | 638.6 |  |  | $ | 851.1 |
Schedule of Revenue by Geographical Region | In addition, the following tables reconcile revenue by geographical region, either U.S. or rest of world ("RoW"), to total revenue:
| Year Ended December 31, |  |  | Six-month Transition Period Ended December 31,
| 2021 |  |  | 2020
(in millions) | U.S. |  | RoW |  | Total |  |  | U.S. |  | RoW |  | Total
Molecular diagnostic revenues: |  |  |  |  |  |  |  |  |  |  |  |
Hereditary Cancer | $ | 271.0 |  |  | $ | 45.3 |  |  | $ | 316.3 |  |  |  | $ | 140.9 |  |  | $ | 18.4 |  |  | $ | 159.3 |
Tumor Profiling | 80.4 |  |  | 40.5 |  |  | 120.9 |  |  |  | 28.2 |  |  | 5.7 |  |  | 33.9 |
Prenatal | 106.2 |  |  | 0.6 |  |  | 106.8 |  |  |  | 37.4 |  |  | 0.2 |  |  | 37.6 |
Pharmacogenomics | 93.7 |  |  | — |  |  | 93.7 |  |  |  | 29.8 |  |  | — |  |  | 29.8 |
Autoimmune | 28.2 |  |  | — |  |  | 28.2 |  |  |  | 18.0 |  |  | — |  |  | 18.0 |
Other | — |  |  | 0.5 |  |  | 0.5 |  |  |  | 1.0 |  |  | — |  |  | 1.0 |
Total molecular diagnostic revenue | 579.5 |  |  | 86.9 |  |  | 666.4 |  |  |  | 255.3 |  |  | 24.3 |  |  | 279.6 |
Pharmaceutical and clinical services revenue | 24.2 |  |  | — |  |  | 24.2 |  |  |  | 20.1 |  |  | 0.1 |  |  | 20.2 |
Total revenue | $ | 603.7 |  |  | $ | 86.9 |  |  | $ | 690.6 |  |  |  | $ | 275.4 |  |  | $ | 24.4 |  |  | $ | 299.8 |
| Year Ended June 30,
| 2020 |  |  | 2019
(in millions) | U.S. |  | RoW |  | Total |  |  | U.S. |  | RoW |  | Total
Molecular diagnostic revenues: |  |  |  |  |  |  |  |  |  |  |  |
Hereditary Cancer | $ | 329.8 |  |  | $ | 17.6 |  |  | $ | 347.4 |  |  |  | $ | 466.7 |  |  | $ | 13.0 |  |  | $ | 479.7 |
Tumor Profiling | 39.2 |  |  | 9.1 |  |  | 48.3 |  |  |  | 34.6 |  |  | 8.4 |  |  | 43.0 |
Prenatal | 76.4 |  |  | 0.3 |  |  | 76.7 |  |  |  | 104.9 |  |  | — |  |  | 104.9 |
Pharmacogenomics | 74.1 |  |  | — |  |  | 74.1 |  |  |  | 112.6 |  |  | — |  |  | 112.6 |
Autoimmune | 39.1 |  |  | — |  |  | 39.1 |  |  |  | 48.3 |  |  | — |  |  | 48.3 |
Other | 1.2 |  |  | 0.1 |  |  | 1.3 |  |  |  | 0.5 |  |  | 0.4 |  |  | 0.9 |
Total molecular diagnostic revenue | 559.8 |  |  | 27.1 |  |  | 586.9 |  |  |  | 767.6 |  |  | 21.8 |  |  | 789.4 |
Pharmaceutical and clinical services revenue | 36.4 |  |  | 15.3 |  |  | 51.7 |  |  |  | 37.8 |  |  | 23.9 |  |  | 61.7 |
Total revenue | $ | 596.2 |  |  | $ | 42.4 |  |  | $ | 638.6 |  |  |  | $ | 805.4 |  |  | $ | 45.7 |  |  | $ | 851.1 |
Reconciliation of Deferred Revenue Balances | A reconciliation of the beginning and ending balances of deferred revenue is shown in the table below:
| Year Ended December 31, |  | Six-month Transition Period Ended December 31, |  | Years Ended June 30,
(in millions) | 2021 |  | 2020 |  | 2020 |  | 2019
Deferred revenue - beginning balance | $ | 32.7 |  |  | $ | 32.8 |  |  | $ | 2.2 |  |  | $ | 2.6 |
Revenue recognized | (40.5) |  |  | (6.1) |  |  | (7.2) |  |  | (7.9) |
Prepayments | 14.0 |  |  | 6.0 |  |  | 37.8 |  |  | 7.5 |
Divestitures | (1.0) |  |  | — |  |  | — |  |  | — |
Deferred revenue - ending balance | $ | 5.2 |  |  | $ | 32.7 |  |  | $ | 32.8 |  |  | $ | 2.2 |
Reconciliation of Denominators of Basic and Diluted Earnings Per Share Computations | The following is a reconciliation of the denominators of the basic and diluted earnings per share computations:
| Year Ended December 31, |  | Six-month Transition Period Ended December 31, |  | Years Ended June 30,
(in millions) | 2021 |  | 2020 |  | 2020 |  | 2019
Denominator: |  |  |  |  |  |  |
Weighted-average shares outstanding used to compute basic EPS | 78.0 |  |  | 75.0 |  |  | 74.3 |  |  | 73.5 |
Effect of dilutive stock options | — |  |  | — |  |  | — |  |  | 2.5 |
Weighted-average shares outstanding and dilutive securities used to compute diluted EPS | 78.0 |  |  | 75.0 |  |  | 74.3 |  |  | 76.0 |
Schedule of Potential Dilutive Common Shares | These potential dilutive common shares, which may be dilutive to future diluted earnings per share, are as follows:
| Year Ended December 31, |  | Six-month Transition Period Ended December 31, |  | Years Ended June 30,
(in millions) | 2021 |  | 2020 |  | 2020 |  | 2019
Anti-dilutive options and RSUs excluded from EPS computation | 4.5 |  |  | 6.6 |  |  | 5.5 |  |  | 0.8 |
Schedule of Cumulative Translation Adjustments Included in Accumulated Other Comprehensive Loss | The following table shows the cumulative translation adjustments included in Accumulated other comprehensive income (loss) (in millions):
Ending balance December 31, 2020 | $ | (3.1) |
Period translation adjustments | (1.8) |
Ending balance December 31, 2021 | $ | (4.9) |

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