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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | [1] | Dec. 31, 2018 | Dec. 31, 2017 | [1]
Statement Of Income And Comprehensive Income [Abstract] |  |  |  |
Net income attributable to Myriad Genetics, Inc. stockholders | $ 2.6 | $ 30.9 | $ 1.9 | $ 109.7
Unrealized loss on available-for-sale securities, net of tax | (0.2) | (0.3) | (0.4) | (0.3)
Change in foreign currency translation adjustment, net of tax | 0.9 | 0.1 | 1.3 | 3.4
Comprehensive income | 3.3 | 30.7 | 2.8 | 112.8
Comprehensive income attributable to non-controlling interest | 0.0 | 0.0 | 0.0 | 0.0
Comprehensive income attributable to Myriad Genetics, Inc. shareholders | $ 3.3 | $ 30.7 | $ 2.8 | $ 112.8
[1] | Amounts adjusted due to the adoption of Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers (Topic 606). See Note 1 to the financial statements contained in Part I, Item 1 of this report for additional information.

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