Goodwill and intangible assets.

No definition available.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Goodwill and Intangible Assets - Narrative (Details) - USD ($)	6 Months Ended	12 Months Ended
	Dec. 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Goodwill And Intangible Assets [Line Items]
Goodwill impairment charge	$ 0	$ 82,000,000.0	$ 0
Impairment of long-lived assets	$ 0	0	0	$ 0
Weighted average remaining amortization period	11 years
Developed technology and database \| Minimum
Goodwill And Intangible Assets [Line Items]
Estimated useful life	1 year
Developed technology and database \| Maximum
Goodwill And Intangible Assets [Line Items]
Estimated useful life	16 years
Trademarks
Goodwill And Intangible Assets [Line Items]
Estimated useful life	8 years
Customer relationships
Goodwill And Intangible Assets [Line Items]
Estimated useful life	1 year
Diagnostic
Goodwill And Intangible Assets [Line Items]
Goodwill impairment charge		80,700,000	0
Intangible assets impairment charge		17,700,000
Diagnostic \| Myriad Autoimmune reporting unit
Goodwill And Intangible Assets [Line Items]
Goodwill impairment charge		80,700,000
Other
Goodwill And Intangible Assets [Line Items]
Goodwill impairment charge		1,300,000	$ 0
Other \| Clinic reporting unit
Goodwill And Intangible Assets [Line Items]
Goodwill impairment charge		$ 1,300,000