$MYGN
MYRIAD GENETICS INC Stock $mygn

$mygn Overview Financials Valuation SEC Filings Company Website

2020 Q2 Form 10-K Financial Statement

#000156459020040011 Filed on August 13, 2020

Income Statement

Concept	2020 Q2	2020	2019 Q4
Revenue	$93.20M	$557.1M	$195.1M
YoY Change	-56.73%	-34.54%	-10.01%
Cost Of Revenue	$36.70M	$91.40M	$49.60M
YoY Change	-27.47%	-54.53%	-4.8%
Gross Profit	$56.50M	$208.4M	$145.5M
YoY Change	-65.72%	-67.94%	-11.66%
Gross Profit Margin	60.62%	37.41%	74.58%
Selling, General & Admin	$107.4M	$496.9M	$134.3M
YoY Change	-28.3%	-10.73%	-0.67%
% of Gross Profit	190.09%	238.44%	92.3%
Research & Development	$17.40M	$73.30M	$18.80M
YoY Change	-16.75%	-14.67%	-16.07%
% of Gross Profit	30.8%	35.17%	12.92%
Depreciation & Amortization	$2.500M	$11.00M	$3.000M
YoY Change	-86.41%	-19.71%	15.38%
% of Gross Profit	4.42%	5.28%	2.06%
Operating Expenses	$124.8M	$570.2M	$153.1M
YoY Change	-26.89%	-11.25%	-2.86%
Operating Profit	-$68.30M	-$289.7M	-$8.800M
YoY Change	1119.64%	-3911.84%	-244.26%
Interest Expense	$3.100M	$11.20M	$2.500M
YoY Change	-3.13%	-6.67%	-26.47%
% of Operating Profit
Other Income/Expense, Net	$9.800M	$6.100M	-$2.600M
YoY Change	-566.67%	-180.26%	4.0%
Pretax Income	-$58.50M	-$283.6M	-$11.40M
YoY Change	659.74%		-416.67%
Income Tax	-$3.000M	-$59.90M	-$3.100M
% Of Pretax Income
Net Earnings	-$55.40M	-$223.6M	-$8.300M
YoY Change	1219.05%	-4960.87%	-419.23%
Net Earnings / Revenue	-59.44%	-40.14%	-4.25%
Basic Earnings Per Share	-$0.74	-$2.99	-$0.11
Diluted Earnings Per Share	-$0.74	-$2.99	-$0.11
COMMON SHARES
Basic Shares Outstanding	74.60M shares	74.80M shares	74.40
Diluted Shares Outstanding	74.60M shares	74.80M shares	74.40

Balance Sheet

Concept	2020 Q2	2020	2019 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$217.8M	$150.7M	$141.6M
YoY Change	59.09%	10.08%	-14.39%
Cash & Equivalents	$163.7M	$117.0M	$81.20M
Short-Term Investments	$54.10M	$33.70M	$60.40M
Other Short-Term Assets	$13.80M	$120.1M	$73.80M
YoY Change	-66.91%	188.01%	373.08%
Inventory	$29.10M	$27.10M	$28.10M
Prepaid Expenses
Receivables	$68.10M	$89.50M	$118.3M
Other Receivables	$2.900M	$2.000M	$3.500M
Total Short-Term Assets	$331.7M	$389.4M	$365.3M
YoY Change	-4.85%	11.7%	8.46%
LONG-TERM ASSETS
Property, Plant & Equipment	$37.00M	$100.4M	$36.50M
YoY Change	-35.43%	75.22%	-38.24%
Goodwill	$327.6M		$408.1M
YoY Change	-21.48%		-1.23%
Intangibles	$605.3M		$653.5M
YoY Change	-11.6%		-8.93%
Long-Term Investments	$37.00M	$21.00M	$47.60M
YoY Change	-32.6%	-61.75%	59.2%
Other Assets	$0.00	$2.300M
YoY Change
Total Long-Term Assets	$1.073B	$1.029B	$1.213B
YoY Change	-11.63%	-15.21%	-0.56%
TOTAL ASSETS
Total Short-Term Assets	$331.7M	$389.4M	$365.3M
Total Long-Term Assets	$1.073B	$1.029B	$1.213B
Total Assets	$1.405B	$1.419B	$1.578B
YoY Change	-10.12%	-9.21%	1.39%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$21.70M	$20.50M	$21.00M
YoY Change	-34.83%	-38.44%	-34.17%
Accrued Expenses	$75.90M	$70.00M	$61.10M
YoY Change	-3.8%	43.44%	-17.1%
Deferred Revenue	$32.80M		$3.600M
YoY Change	1390.91%		50.0%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$147.0M	$145.9M	$112.4M
YoY Change	24.79%	23.85%	-0.79%
LONG-TERM LIABILITIES
Long-Term Debt	$224.4M	$224.8M	$225.1M
YoY Change	-3.9%	-3.73%	-17.64%
Other Long-Term Liabilities	$8.000M	$95.80M	$88.00M
YoY Change	2.56%	140.1%	1233.33%
Total Long-Term Liabilities	$232.4M	$320.6M	$225.1M
YoY Change	-3.69%	17.26%	-19.58%
TOTAL LIABILITIES
Total Short-Term Liabilities	$147.0M	$145.9M	$112.4M
Total Long-Term Liabilities	$232.4M	$320.6M	$225.1M
Total Liabilities	$486.4M	$537.8M	$501.0M
YoY Change	2.66%	13.51%	1.73%
SHAREHOLDERS EQUITY
Retained Earnings	-$173.9M		-$3.300M
YoY Change	-779.3%		-114.41%
Common Stock	$1.097B		$1.086B
YoY Change	2.68%		3.78%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$918.2M	$881.0M	$1.077B
YoY Change
Total Liabilities & Shareholders Equity	$1.405B	$1.419B	$1.578B
YoY Change	-10.12%	-9.21%	1.39%

Cashflow Statement

Concept	2020 Q2	2020	2019 Q4
OPERATING ACTIVITIES
Net Income	-$55.40M	-$223.6M	-$8.300M
YoY Change	1219.05%	-4960.87%	-419.23%
Depreciation, Depletion And Amortization	$2.500M	$11.00M	$3.000M
YoY Change	-86.41%	-19.71%	15.38%
Cash From Operating Activities	$30.00M	$60.70M	-$3.400M
YoY Change	-4.76%	-27.48%	-108.99%
INVESTING ACTIVITIES
Capital Expenditures	-$2.400M	-$7.900M	-$3.400M
YoY Change	71.43%	-8.14%	21.43%
Acquisitions		$0.00
YoY Change		-100.0%
Other Investing Activities	$12.70M	$35.90M	-$3.800M
YoY Change	115.25%	-112.92%	-28.3%
Cash From Investing Activities	$10.30M	$19.30M	-$7.200M
YoY Change	128.89%	-106.74%	-11.11%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$0.00
YoY Change		-100.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	1.000M	-$10.00M	1.100M
YoY Change	-103.6%	-105.49%	-103.37%
NET CHANGE
Cash From Operating Activities	30.00M	$60.70M	-3.400M
Cash From Investing Activities	10.30M	$19.30M	-7.200M
Cash From Financing Activities	1.000M	-$10.00M	1.100M
Net Change In Cash	41.30M	$70.50M	-9.500M
YoY Change	403.66%	-498.31%	227.59%
FREE CASH FLOW
Cash From Operating Activities	$30.00M	$60.70M	-$3.400M
Capital Expenditures	-$2.400M	-$7.900M	-$3.400M
Free Cash Flow	$32.40M	$68.60M	$0.00
YoY Change	-1.52%	-25.68%	-100.0%

Facts In Submission

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CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	134800000
CY2017Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	767400000
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	36900000
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	27100000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	133300000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1400000
CY2018Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	966100000
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	136000000.0
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	33500000
CY2019	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	-50000000.0
CY2019	us-gaap	Net Income Loss NetIncomeLoss	4600000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1300000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-199500000
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	100000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-199500000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	4600000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	133300000
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	72000000.0
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	73000000.0
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	54400000
CY2019	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-18600000
CY2018	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	23500000
CY2020	mygn	Increase Decrease In Unrecognized Tax Benefits IncreaseDecreaseInUnrecognizedTaxBenefits	-1700000
CY2019	mygn	Increase Decrease In Unrecognized Tax Benefits IncreaseDecreaseInUnrecognizedTaxBenefits	5500000
CY2018	mygn	Increase Decrease In Unrecognized Tax Benefits IncreaseDecreaseInUnrecognizedTaxBenefits	300000
CY2020	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	99700000
CY2020	mygn	Change In Fair Value Of Contingent Consideration ChangeInFairValueOfContingentConsideration	2800000
CY2019	mygn	Change In Fair Value Of Contingent Consideration ChangeInFairValueOfContingentConsideration	-1400000
CY2018	mygn	Change In Fair Value Of Contingent Consideration ChangeInFairValueOfContingentConsideration	-60900000
CY2019	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	1500000
CY2018	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	22700000
CY2020	mygn	Increase Decrease In Prepaid Expense Excluding Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidExpenseExcludingIncreaseDecreaseInPrepaidTaxes	-2200000
CY2019	mygn	Increase Decrease In Prepaid Expense Excluding Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidExpenseExcludingIncreaseDecreaseInPrepaidTaxes	3200000
CY2018	mygn	Increase Decrease In Prepaid Expense Excluding Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidExpenseExcludingIncreaseDecreaseInPrepaidTaxes	-3300000
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-64000000.0
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	18200000
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	9100000
CY2020	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	-600000
CY2019	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	700000
CY2018	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	-1100000
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1600000
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-8000000.0
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-7900000
CY2020	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	-25100000
CY2019	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	25100000
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-10700000
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1100000
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	4000000.0
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	1600000
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	1500000
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	1400000
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	30700000
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-500000
CY2018	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-100000
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	60700000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	83700000
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	115900000
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	10200000
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	8600000
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	8400000
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	278500000
CY2020	us-gaap	Proceeds From Divestiture Of Interest In Consolidated Subsidiaries ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries	21300000
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	60800000
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	78500000
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	80900000
CY2020	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	69000000.0
CY2019	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	79200000
CY2018	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	77700000
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	19300000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-286400000
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-11600000
CY2020	mygn	Proceeds From Repayments Of Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromRepaymentsOfIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	3500000
CY2019	mygn	Proceeds From Repayments Of Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromRepaymentsOfIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	8700000
CY2018	mygn	Proceeds From Repayments Of Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromRepaymentsOfIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	36900000
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	340000000.0
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	53000000.0
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	8600000
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	115000000.0
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	143000000.0
CY2020	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	3900000
CY2018	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	42400000
CY2020	us-gaap	Payments Of Debt Restructuring Costs PaymentsOfDebtRestructuringCosts	1000000.0
CY2019	us-gaap	Payments Of Debt Restructuring Costs PaymentsOfDebtRestructuringCosts	1400000
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	50000000.0
CY2018	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	500000
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-10000000.0
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	182300000
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-95000000.0
CY2020	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents Continuing Operations EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations	500000
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents Continuing Operations EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations	2700000
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents Continuing Operations EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations	-800000
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	70500000
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-17700000
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	8500000
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	93200000
CY2018Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	110900000
CY2017Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	102400000
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	163700000
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	93200000
CY2018Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	110900000
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<p style="margin-top:8pt;margin-bottom:0pt;margin-left:4.77%;text-indent:0%;font-weight:bold;font-style:italic;font-family:Times New Roman;font-size:10pt;text-transform:none;font-variant: normal;">Use of Estimates</p> <p style="margin-bottom:0pt;margin-top:6pt;text-align:justify;margin-left:4.77%;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The preparation of the consolidated financial statements in accordance with U.S. GAAP requires Company management to make estimates and assumptions relating to the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the period. Significant items subject to such estimates and assumptions include the carrying amount of fixed assets, valuation allowances for receivables and deferred income tax assets, certain accrued liabilities, share-based compensation, valuation of intangible assets from acquisitions and impairment analysis of goodwill and intangible assets. Actual results could differ from those estimates.</p> <p style="text-align:justify;margin-top:18pt;margin-bottom:0pt;margin-left:4.77%;text-indent:0%;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The full impact of the COVID-19 outbreak continues to evolve and its future impacts remain highly uncertain and unpredictable. As such, it is uncertain as to the full magnitude that the pandemic will have on the Company’s financial condition, liquidity, and future results of operations. Management is actively monitoring the impact of the global situation on the Company’s financial condition, liquidity, operations, suppliers, industry, and workforce. Given the daily evolution of the COVID-19 outbreak and the global responses to curb its spread, the Company is not able to estimate the effects of the COVID-19 outbreak on its results of operations, financial condition, or liquidity for future periods.</p>
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="margin-top:8pt;margin-bottom:0pt;margin-left:4.77%;text-indent:0%;font-weight:bold;font-style:italic;font-family:Times New Roman;font-size:10pt;text-transform:none;font-variant: normal;">Concentration of Credit Risk</p> <p style="margin-top:8pt;margin-bottom:0pt;margin-left:4.77%;text-indent:0%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Financial instruments that potentially<span style="color:#000000;"> subject us to concentrations of credit risk consist primarily of cash and cash equivalents and accounts receivable. Substantially all of the Company’s account receivable are with companies in the healthcare industry, U.S. and state governmental agencies, and individuals. The Company does not believe that receivables due from U.S. and state governmental agencies, such as Medicare, represent a credit risk since the related healthcare programs are funded by the U.S. and state governments. The Company only has one payor, Medicare, that represents greater than 10% of its revenues. Revenues received from Medicare represented approximately 15%, 14% and 17% of total revenue for the fiscal years ended June 30, 2020, 2019 and 2018, respectively. Concentrations of credit risk are mitigated due to the number of the Company’s customers as well as their dispersion across many geographic regions. </span><span style="color:#000000;font-family:inherit;">No</span> customer accounted for more than 10% of accounts receivable at June 30, 2020 and 2019 respectively.</p>
CY2020	mygn	Number Of Major Customers Comprising More Than Ten Percent Of Revenues NumberOfMajorCustomersComprisingMoreThanTenPercentOfRevenues	0
CY2019	mygn	Number Of Major Customers Comprising More Than Ten Percent Of Revenues NumberOfMajorCustomersComprisingMoreThanTenPercentOfRevenues	0
CY2020	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0
CY2019	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0
CY2018	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0
CY2020	mygn	Cares Act Of2020 Medicare Payment Amount CARESActOf2020MedicarePaymentAmount	29700000
CY2019Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	2200000
CY2018Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	2600000
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	7200000
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	7900000
CY2020	mygn	Contract With Customer Liability Prepayments ContractWithCustomerLiabilityPrepayments	37800000
CY2019	mygn	Contract With Customer Liability Prepayments ContractWithCustomerLiabilityPrepayments	7500000
CY2020Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	32800000
CY2019Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	2200000
CY2020	us-gaap	Revenue Practical Expedient Remaining Performance Obligation Description RevenuePracticalExpedientRemainingPerformanceObligationDescription	In accordance with ASU 2014-09, the Company has elected not to disclose the aggregate amount of the transaction price allocated to remaining performance obligations for its contracts that are one year or less, as the revenue is expected to be recognized within the next year. Furthermore, the Company has elected not to disclose the aggregate amount of the transaction price allocated to remaining performance obligations for its agreements wherein the Company’s right to payment is in an amount that directly corresponds with the value of Company’s performance to date. However, periodically the Company enters into arrangements with customers to provide diagnostic testing and/or pharmaceutical and clinical services that may have terms longer than one year and include multiple performance obligations.
CY2020Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	2700000
CY2020Q2	mygn	Revenue Increase Decrease Reduction Performance Obligation RevenueIncreaseDecreaseReductionPerformanceObligation	-400000
CY2020	mygn	Revenue Increase Decrease Reduction Performance Obligation RevenueIncreaseDecreaseReductionPerformanceObligation	-9900000
CY2020	mygn	Increase Decrease In Earnings Loss Per Share IncreaseDecreaseInEarningsLossPerShare	-0.10
CY2020Q2	us-gaap	Capitalized Contract Cost Gross CapitalizedContractCostGross	0
CY2020	us-gaap	Revenue Performance Obligation Description Of Payment Terms RevenuePerformanceObligationDescriptionOfPaymentTerms	This practical expedient has been elected because the Company collects very little cash from customers under payment terms and vast majority of payments terms have a payback period of less than one year.
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	638600000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	851100000
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	743700000
CY2020	mygn	Cares Act Of2020 Provider Relief Fund Amount CARESActOf2020ProviderReliefFundAmount	14600000
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74300000
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73500000
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	69400000
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2500000
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2600000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74300000
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	76000000.0
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	72000000.0
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	5500000
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	800000
CY2019Q2	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-7200000
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-600000
CY2020	mygn	Other Comprehensive Income Loss Reclassification Upon Deconsolidation Of Subsidiary OtherComprehensiveIncomeLossReclassificationUponDeconsolidationOfSubsidiary	1300000
CY2020Q2	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-6500000
CY2020Q2	us-gaap	Investments And Cash InvestmentsAndCash	253500000
CY2020Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	253500000
CY2020Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1300000
CY2020Q2	mygn	Investments And Cash At Fair Value InvestmentsAndCashAtFairValue	254800000
CY2020Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	254800000
CY2019Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	191200000
CY2019Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	600000
CY2020Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	53700000
CY2020Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	54100000
CY2020Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	36100000
CY2020Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	37000000.0
CY2020Q2	us-gaap	Investments And Cash InvestmentsAndCash	253500000
CY2020Q2	mygn	Investments And Cash At Fair Value InvestmentsAndCashAtFairValue	254800000
CY2020Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	0
CY2019Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	0
CY2020Q2	us-gaap	Fair Value Net Asset Liability FairValueNetAssetLiability	115200000
CY2019Q2	us-gaap	Fair Value Net Asset Liability FairValueNetAssetLiability	104500000
CY2019Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	13800000
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	3900000
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-2800000
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome	-300000
CY2020Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	6800000
CY2019Q2	us-gaap	Land Land	2300000
CY2019Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	18800000
CY2020Q2	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	31800000
CY2019Q2	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	31000000.0
CY2020Q2	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	112100000
CY2019Q2	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	117100000
CY2020Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	143900000
CY2019Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	169200000
CY2020Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	106900000
CY2019Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	111900000
CY2020Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	37000000.0
CY2019Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	57300000
CY2020	us-gaap	Depreciation Depreciation	11000000.0
CY2019	us-gaap	Depreciation Depreciation	13700000
CY2018	us-gaap	Depreciation Depreciation	17100000
CY2019Q2	us-gaap	Goodwill Goodwill	417200000
CY2018Q2	us-gaap	Goodwill Goodwill	318600000
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	94900000
CY2019	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	4400000
CY2020	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	7300000
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	82000000.0
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-300000
CY2019	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-700000
CY2020Q2	us-gaap	Goodwill Goodwill	327600000
CY2019Q2	us-gaap	Goodwill Goodwill	417200000
CY2020Q1	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	17700000
CY2020	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0
CY2019	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0
CY2018	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0
CY2020Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	823200000
CY2020Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	222700000
CY2020Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	600500000
CY2020Q2	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	4800000
CY2020Q2	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	4800000
CY2020Q2	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	828000000.0
CY2020Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	222700000
CY2020Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	605300000
CY2019Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	823300000
CY2019Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	161600000
CY2019Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	661700000
CY2019Q2	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	23000000.0
CY2019Q2	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	23000000.0
CY2019Q2	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	846300000
CY2019Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	161600000
CY2019Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	684700000
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	61000000.0
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	59300000
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	37300000
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	51900000
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	45000000.0
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	43600000
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	43400000
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	43400000
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	373200000
CY2020Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	47400000
CY2019Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	48800000
CY2020Q2	us-gaap	Taxes Payable Current TaxesPayableCurrent	6100000
CY2019Q2	us-gaap	Taxes Payable Current TaxesPayableCurrent	3000000.0
CY2019Q2	us-gaap	Litigation Reserve Current LitigationReserveCurrent	9100000
CY2020Q2	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	22400000
CY2019Q2	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	18000000.0
CY2020Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	75900000
CY2019Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	78900000
CY2020Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	226700000
CY2019Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	235000000.0
CY2020Q2	us-gaap	Debt Instrument Unamortized Discount Noncurrent DebtInstrumentUnamortizedDiscountNoncurrent	2300000
CY2019Q2	us-gaap	Debt Instrument Unamortized Discount Noncurrent DebtInstrumentUnamortizedDiscountNoncurrent	1500000
CY2020Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	224400000
CY2019Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	233500000
CY2019Q2	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	6800000
CY2020Q2	mygn	Other Liabilities Noncurrent Other OtherLiabilitiesNoncurrentOther	4300000
CY2019Q2	mygn	Other Liabilities Noncurrent Other OtherLiabilitiesNoncurrentOther	1000000.0
CY2020Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	4300000
CY2019Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	7800000
CY2019Q2	mygn	Number Of Defined Benefit Pension Plans NumberOfDefinedBenefitPensionPlans	2
CY2019Q2	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	100000
CY2019Q2	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	6800000
CY2020Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000.0
CY2020Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2019Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2018Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2020Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000.0
CY2020Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	74700000
CY2020Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	74700000
CY2019Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	73500000
CY2019Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	73500000
CY2018Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	70600000
CY2018Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	70600000
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	4800000
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	24.47
CY2019Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	73500000
CY2019Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	73500000
CY2018Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	70600000
CY2018Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	70600000
CY2017Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	68400000
CY2017Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	68400000
CY2020	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	1200000
CY2019	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	4500000
CY2018	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	2200000
CY2019	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	1600000
CY2020Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	74700000
CY2020Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	74700000
CY2019Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	73500000
CY2019Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	73500000
CY2018Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	70600000
CY2016Q2	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	200000000.0
CY2020Q2	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	110700000
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	50000000.0
CY2019	mygn	Amount Of Reduction In Common Stock As Result Of Stock Repurchases AmountOfReductionInCommonStockAsResultOfStockRepurchases	16900000
CY2019	mygn	Amount Charged To Retained Earnings As Result Of Stock Repurchases AmountChargedToRetainedEarningsAsResultOfStockRepurchases	33100000
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Description ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription	Options and RSUs granted to the Company’s non-employee directors vest in full upon completion of one year of service on the Board following the date of the grant
CY2019Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5500000
CY2019Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	24.45
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	400000
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	22.56
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	300000
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	26.69
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4800000
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	24.47
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	8800000
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	24.47
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0
CY2020Q2	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	4800000
CY2020Q2	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	24.47
CY2020Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	0
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	25200000
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	33500000
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	27100000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	400000
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	17000000.0
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward	300000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward	200000
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward	100000
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	1700000
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	1000000.0
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	100000
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	26600000
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-24200000
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	7700000
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4900000
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-100000
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2200000
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	500000
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	200000
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	32000000.0
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-24100000
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	9900000
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-51500000
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	17800000
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-22700000
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-4100000
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1700000
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	700000
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-3600000
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	400000
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1400000
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-3500000
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	200000
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-500000
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-55700000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	19700000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-22900000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-23700000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-4400000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-13000000.0
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-240900000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-600000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	122300000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	17600000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	600000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-2200000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-223300000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	120100000
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-46900000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	33700000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.281
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-200000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.001
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2000000.0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	64.221
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2900000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.024
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	2800000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.013
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	3700000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	118.809
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	2100000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.017
CY2020	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	1900000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.009
CY2019	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	2900000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	93.121
CY2018	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	2500000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	0.021
CY2020	mygn	Income Tax Reconciliation Statute Expiration IncomeTaxReconciliationStatuteExpiration	-400000
CY2020	mygn	Effective Income Tax Rate Reconciliation Statute Expirations EffectiveIncomeTaxRateReconciliationStatuteExpirations	0.002
CY2019	mygn	Income Tax Reconciliation Statute Expiration IncomeTaxReconciliationStatuteExpiration	-7100000
CY2019	mygn	Effective Income Tax Rate Reconciliation Statute Expirations EffectiveIncomeTaxRateReconciliationStatuteExpirations	-227.985
CY2018	mygn	Effective Income Tax Rate Reconciliation Statute Expirations EffectiveIncomeTaxRateReconciliationStatuteExpirations	0.000
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-200000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.001
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-3100000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-99.543
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-1700000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.014
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	700000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.003
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	800000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	25.688
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-800000
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	1800000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	-0.008
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	1300000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.007
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	3500000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.017
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-200000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-6.422
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	600000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.005
CY2020	mygn	Effective Income Tax Rate Reconciliation Tax Cut And Jobs Act Impact EffectiveIncomeTaxRateReconciliationTaxCutAndJobsActImpact	0.000
CY2019	mygn	Effective Income Tax Rate Reconciliation Tax Cut And Jobs Act Impact EffectiveIncomeTaxRateReconciliationTaxCutAndJobsActImpact	0.000
CY2018	mygn	Income Tax Reconciliation Tax Cut And Jobs Act Impact IncomeTaxReconciliationTaxCutAndJobsActImpact	-32000000.0
CY2018	mygn	Effective Income Tax Rate Reconciliation Tax Cut And Jobs Act Impact EffectiveIncomeTaxRateReconciliationTaxCutAndJobsActImpact	-0.266
CY2020	mygn	Effective Income Tax Rate Reconciliation Fair Value Adjustments Related To Acquisition Contingent Consideration EffectiveIncomeTaxRateReconciliationFairValueAdjustmentsRelatedToAcquisitionContingentConsideration	0.000
CY2019	mygn	Income Tax Reconciliation Fair Value Adjustments Related To Acquisition Contingent Consideration IncomeTaxReconciliationFairValueAdjustmentsRelatedToAcquisitionContingentConsideration	-800000
CY2019	mygn	Effective Income Tax Rate Reconciliation Fair Value Adjustments Related To Acquisition Contingent Consideration EffectiveIncomeTaxRateReconciliationFairValueAdjustmentsRelatedToAcquisitionContingentConsideration	-25.688
CY2018	mygn	Income Tax Reconciliation Fair Value Adjustments Related To Acquisition Contingent Consideration IncomeTaxReconciliationFairValueAdjustmentsRelatedToAcquisitionContingentConsideration	17000000.0
CY2018	mygn	Effective Income Tax Rate Reconciliation Fair Value Adjustments Related To Acquisition Contingent Consideration EffectiveIncomeTaxRateReconciliationFairValueAdjustmentsRelatedToAcquisitionContingentConsideration	0.142
CY2020	mygn	Income Tax Reconciliation Non Deductible Contingent Purchase Price And Transaction Costs IncomeTaxReconciliationNonDeductibleContingentPurchasePriceAndTransactionCosts	-300000
CY2020	mygn	Effective Income Tax Rate Reconciliation Non Deductible Contingent Purchase Price And Transaction Costs EffectiveIncomeTaxRateReconciliationNonDeductibleContingentPurchasePriceAndTransactionCosts	0.001
CY2019	mygn	Effective Income Tax Rate Reconciliation Non Deductible Contingent Purchase Price And Transaction Costs EffectiveIncomeTaxRateReconciliationNonDeductibleContingentPurchasePriceAndTransactionCosts	0.000
CY2018	mygn	Effective Income Tax Rate Reconciliation Non Deductible Contingent Purchase Price And Transaction Costs EffectiveIncomeTaxRateReconciliationNonDeductibleContingentPurchasePriceAndTransactionCosts	0.000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	41.744
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	400000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.003
CY2020	mygn	Income Tax Reconciliation Nondeductible Expense Officers Compensation IncomeTaxReconciliationNondeductibleExpenseOfficersCompensation	1600000
CY2020	mygn	Effective Income Tax Rate Reconciliation Non Deductible Officer Compensation EffectiveIncomeTaxRateReconciliationNonDeductibleOfficerCompensation	-0.007
CY2019	mygn	Income Tax Reconciliation Nondeductible Expense Officers Compensation IncomeTaxReconciliationNondeductibleExpenseOfficersCompensation	600000
CY2019	mygn	Effective Income Tax Rate Reconciliation Non Deductible Officer Compensation EffectiveIncomeTaxRateReconciliationNonDeductibleOfficerCompensation	19.266
CY2018	mygn	Effective Income Tax Rate Reconciliation Non Deductible Officer Compensation EffectiveIncomeTaxRateReconciliationNonDeductibleOfficerCompensation	0.000
CY2020	mygn	Income Tax Reconciliation Asset Impairment IncomeTaxReconciliationAssetImpairment	12600000
CY2020	mygn	Effective Income Tax Rate Reconciliation Asset Impairment EffectiveIncomeTaxRateReconciliationAssetImpairment	-0.056
CY2019	mygn	Effective Income Tax Rate Reconciliation Asset Impairment EffectiveIncomeTaxRateReconciliationAssetImpairment	0.000
CY2018	mygn	Effective Income Tax Rate Reconciliation Asset Impairment EffectiveIncomeTaxRateReconciliationAssetImpairment	0.000
CY2020	mygn	Income Tax Reconciliation Expired Tax Attributes IncomeTaxReconciliationExpiredTaxAttributes	4200000
CY2020	mygn	Effective Income Tax Rate Reconciliation Expired Tax Attributes EffectiveIncomeTaxRateReconciliationExpiredTaxAttributes	-0.019
CY2019	mygn	Effective Income Tax Rate Reconciliation Expired Tax Attributes EffectiveIncomeTaxRateReconciliationExpiredTaxAttributes	0.000
CY2018	mygn	Effective Income Tax Rate Reconciliation Expired Tax Attributes EffectiveIncomeTaxRateReconciliationExpiredTaxAttributes	0.000
CY2020	mygn	Effective Income Tax Rate Reconciliation Non Deductible Legal Settlements EffectiveIncomeTaxRateReconciliationNonDeductibleLegalSettlements	0.000
CY2019	mygn	Income Tax Reconciliation Non Deductible Legal Settlement IncomeTaxReconciliationNonDeductibleLegalSettlement	1900000
CY2019	mygn	Effective Income Tax Rate Reconciliation Non Deductible Legal Settlements EffectiveIncomeTaxRateReconciliationNonDeductibleLegalSettlements	61.010
CY2018	mygn	Effective Income Tax Rate Reconciliation Non Deductible Legal Settlements EffectiveIncomeTaxRateReconciliationNonDeductibleLegalSettlements	0.000
CY2020	mygn	Effective Income Tax Rate Reconciliation Foreign Disregarded Election EffectiveIncomeTaxRateReconciliationForeignDisregardedElection	0.000
CY2019	mygn	Income Tax Reconciliation Foreign Disregarded Election IncomeTaxReconciliationForeignDisregardedElection	6400000
CY2019	mygn	Effective Income Tax Rate Reconciliation Foreign Disregarded Election EffectiveIncomeTaxRateReconciliationForeignDisregardedElection	205.508
CY2018	mygn	Effective Income Tax Rate Reconciliation Foreign Disregarded Election EffectiveIncomeTaxRateReconciliationForeignDisregardedElection	0.000
CY2020	mygn	Effective Income Tax Rate Reconciliation Changes In Revenue Recognition Method EffectiveIncomeTaxRateReconciliationChangesInRevenueRecognitionMethod	0.000
CY2019	mygn	Income Tax Reconciliation Changes In Revenue Recognition Method IncomeTaxReconciliationChangesInRevenueRecognitionMethod	-7300000
CY2019	mygn	Effective Income Tax Rate Reconciliation Changes In Revenue Recognition Method EffectiveIncomeTaxRateReconciliationChangesInRevenueRecognitionMethod	-234.408
CY2018	mygn	Effective Income Tax Rate Reconciliation Changes In Revenue Recognition Method EffectiveIncomeTaxRateReconciliationChangesInRevenueRecognitionMethod	0.000
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	800000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.003
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	300000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	9.634
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	500000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.005
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-23700000
CY2020Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Compensated Absences DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences	1500000
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.106
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-4400000
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-141.077
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-13000000.0
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.107
CY2019Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	85700000
CY2020Q2	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	37200000
CY2020Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	73100000
CY2019Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	82600000
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2019Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Compensated Absences DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences	1200000
CY2020Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	1200000
CY2019Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	3300000
CY2020Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	13800000
CY2019Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	16000000.0
CY2020Q2	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	27600000
CY2019Q2	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	25400000
CY2020Q2	mygn	Deferred Tax Assets Lease Right Of Use Asset DeferredTaxAssetsLeaseRightOfUseAsset	16300000
CY2020Q2	mygn	Deferred Tax Assets Uncertain State Tax Positions DeferredTaxAssetsUncertainStateTaxPositions	1600000
CY2019Q2	mygn	Deferred Tax Assets Uncertain State Tax Positions DeferredTaxAssetsUncertainStateTaxPositions	1300000
CY2020Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	9600000
CY2019Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	9000000.0
CY2020Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	181900000
CY2019Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	141900000
CY2020Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	42400000
CY2019Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	38900000
CY2020Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	139500000
CY2019Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	103000000.0
CY2020Q2	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	150300000
CY2019Q2	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	175400000
CY2020Q2	mygn	Deferred Tax Lease Liability DeferredTaxLeaseLiability	15800000
CY2019Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2500000
CY2019Q2	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	7700000
CY2020Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	166100000
CY2019Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	185600000
CY2020Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	26600000
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2017Q4	mygn	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Provisional Income Tax Expenses Benefit TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalIncomeTaxExpensesBenefit	-32600000
CY2017Q4	mygn	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Earnings Per Share Increase TaxCutsAndJobsActOf2017IncompleteAccountingEarningsPerShareIncrease	0.45
CY2020	mygn	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earning Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningProvisionalIncomeTaxExpense	0
CY2020Q2	mygn	Valuation Allowance Increase Decrease ValuationAllowanceIncreaseDecrease	3500000
CY2019Q2	mygn	Valuation Allowance Increase Decrease ValuationAllowanceIncreaseDecrease	1100000
CY2018Q2	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Undistributed Earnings Of Foreign Subsidiaries DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries	0
CY2020Q2	mygn	Unrecognized Tax Benefits Net Of Federal Benefits On State Income Tax Positions And Interest UnrecognizedTaxBenefitsNetOfFederalBenefitsOnStateIncomeTaxPositionsAndInterest	23500000
CY2019Q2	mygn	Unrecognized Tax Benefits Net Of Federal Benefits On State Income Tax Positions And Interest UnrecognizedTaxBenefitsNetOfFederalBenefitsOnStateIncomeTaxPositionsAndInterest	21700000
CY2019Q2	mygn	Unrecognized Tax Benefits Net Of Federal Benefits On State Income Tax Positions And Interest UnrecognizedTaxBenefitsNetOfFederalBenefitsOnStateIncomeTaxPositionsAndInterest	21700000
CY2018Q2	mygn	Unrecognized Tax Benefits Net Of Federal Benefits On State Income Tax Positions And Interest UnrecognizedTaxBenefitsNetOfFederalBenefitsOnStateIncomeTaxPositionsAndInterest	24900000
CY2017Q2	mygn	Unrecognized Tax Benefits Net Of Federal Benefits On State Income Tax Positions And Interest UnrecognizedTaxBenefitsNetOfFederalBenefitsOnStateIncomeTaxPositionsAndInterest	25200000
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1600000
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2200000
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	600000
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	700000
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	500000
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2400000
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Acquisition UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition	2300000
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	100000
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	3300000
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	2700000
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	500000
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5400000
CY2020Q2	mygn	Unrecognized Tax Benefits Net Of Federal Benefits On State Income Tax Positions And Interest UnrecognizedTaxBenefitsNetOfFederalBenefitsOnStateIncomeTaxPositionsAndInterest	23500000
CY2019Q2	mygn	Unrecognized Tax Benefits Net Of Federal Benefits On State Income Tax Positions And Interest UnrecognizedTaxBenefitsNetOfFederalBenefitsOnStateIncomeTaxPositionsAndInterest	21700000
CY2018Q2	mygn	Unrecognized Tax Benefits Net Of Federal Benefits On State Income Tax Positions And Interest UnrecognizedTaxBenefitsNetOfFederalBenefitsOnStateIncomeTaxPositionsAndInterest	24900000
CY2020	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	1400000
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	800000
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	1500000
CY2018	us-gaap	Profit Loss ProfitLoss	133100000
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-100000
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	15900000
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	14800000
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	13600000
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	13200000
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	10900000
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	9600000
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	78000000.0
CY2020Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7600000
CY2020Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	70400000
CY2020Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	13500000
CY2020Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	56900000
CY2020Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y3M18D
CY2020Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0387
CY2019	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	19700000
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	15500000
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	15100000
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	14100000
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	13100000
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	12200000
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	11900000
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	19100000
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	85500000
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-200000
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-200000
CY2019	mygn	Percent Of Employee Contribution To Deferred Savings Plan PercentOfEmployeeContributionToDeferredSavingsPlan	0.50
CY2019	mygn	Employers Contribution Not To Exceed Percentage Of Employees Compensation EmployersContributionNotToExceedPercentageOfEmployeesCompensation	0.04
CY2020	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	7100000
CY2019	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	8300000
CY2018	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	7200000
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	638600000
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	72000000.0
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-231700000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	851100000
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	73000000.0
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	7600000
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	743700000
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	54400000
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	121900000
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-231700000
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	7600000
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	121900000
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	3000000.0
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	3200000
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	1800000
CY2020	us-gaap	Interest Expense InterestExpense	10800000
CY2019	us-gaap	Interest Expense InterestExpense	12000000.0
CY2018	us-gaap	Interest Expense InterestExpense	3200000
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	16200000
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1200000
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-400000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-223300000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	120100000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-23700000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-4400000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-13000000.0
CY2020	us-gaap	Profit Loss ProfitLoss	-199600000
CY2019	us-gaap	Profit Loss ProfitLoss	4400000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-199500000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	4600000
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	1000000.0
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	6500000
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	11700000
CY2020	us-gaap	Interest Paid Net InterestPaidNet	9500000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	11600000
CY2018	us-gaap	Interest Paid Net InterestPaidNet	3000000.0
CY2018	us-gaap	Net Income Loss NetIncomeLoss	133300000
CY2020Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	37000000.0
CY2019Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	57300000
CY2020Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	37000000.0
CY2019Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	57300000
CY2020Q2	us-gaap	Assets Assets	1404600000
CY2019Q2	us-gaap	Assets Assets	1562700000
CY2020	mygn	Fair Value Adjustment On Marketable Investment Securities Recorded To Stockholders Equity FairValueAdjustmentOnMarketableInvestmentSecuritiesRecordedToStockholdersEquity	700000
CY2019	mygn	Fair Value Adjustment On Marketable Investment Securities Recorded To Stockholders Equity FairValueAdjustmentOnMarketableInvestmentSecuritiesRecordedToStockholdersEquity	1200000
CY2018	mygn	Fair Value Adjustment On Marketable Investment Securities Recorded To Stockholders Equity FairValueAdjustmentOnMarketableInvestmentSecuritiesRecordedToStockholdersEquity	-400000
CY2020Q2	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	4300000
CY2020Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	132900000
CY2018Q4	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	1000000.0
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-5600000
CY2018Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	129900000
CY2019Q2	us-gaap	Costs And Expenses CostsAndExpenses	221000000.0
CY2019Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	134300000
CY2019Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	135500000
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	93200000
CY2020Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	164000000.0
CY2019Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	195100000
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	186300000
CY2020Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	17400000
CY2020Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	19700000
CY2019Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	18800000
CY2019Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	21300000
CY2020Q1	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-3400000
CY2019Q4	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-100000
CY2019Q3	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	700000
CY2020Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	107400000
CY2020Q1	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	98400000
CY2019Q4	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	1300000
CY2020Q2	us-gaap	Costs And Expenses CostsAndExpenses	161500000
CY2020Q1	us-gaap	Costs And Expenses CostsAndExpenses	297700000
CY2019Q4	us-gaap	Costs And Expenses CostsAndExpenses	203900000
CY2019Q3	us-gaap	Costs And Expenses CostsAndExpenses	207200000
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-68300000
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-133700000
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-8800000
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-20900000
CY2020Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	500000
CY2020Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	800000
CY2019Q4	us-gaap	Investment Income Interest InvestmentIncomeInterest	800000
CY2019Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	900000
CY2020Q2	us-gaap	Interest Expense InterestExpense	3100000
CY2020Q1	us-gaap	Interest Expense InterestExpense	2300000
CY2019Q4	us-gaap	Interest Expense InterestExpense	2500000
CY2019Q3	us-gaap	Interest Expense InterestExpense	2900000
CY2020Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	12400000
CY2020Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	4100000
CY2019Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-900000
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	600000
CY2020Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	9800000
CY2020Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2600000
CY2019Q4	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2600000
CY2019Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1400000
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-58500000
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-131100000
CY2019Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-11400000
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-22300000
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3000000.0
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-15900000
CY2019Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3100000
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1700000
CY2020Q2	us-gaap	Profit Loss ProfitLoss	-55500000
CY2020Q1	us-gaap	Profit Loss ProfitLoss	-115200000
CY2019Q4	us-gaap	Profit Loss ProfitLoss	-8300000
CY2019Q3	us-gaap	Profit Loss ProfitLoss	-20600000
CY2019Q1	us-gaap	Costs And Expenses CostsAndExpenses	210700000
CY2018Q4	us-gaap	Costs And Expenses CostsAndExpenses	210700000
CY2018Q3	us-gaap	Costs And Expenses CostsAndExpenses	201100000
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	5900000
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74.5
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.74
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.55
CY2018Q3	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	400000
CY2019Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	149800000
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.11
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.28
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74.6
CY2020Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74.5
CY2019Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74.4
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	73.7
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	215400000
CY2020Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-100000
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-55400000
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	-115200000
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	-8300000
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	-20600000
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.74
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.55
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.11
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.28
CY2019Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74.4
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73.7
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74.6
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	216600000
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	216800000
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	202300000
CY2019Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	20900000
CY2019Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	21500000
CY2018Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	22400000
CY2018Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	21100000
CY2019Q2	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-300000
CY2019Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	140600000
CY2018Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	135200000
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	6100000
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	1200000
CY2019Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	900000
CY2019Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	700000
CY2018Q4	us-gaap	Investment Income Interest InvestmentIncomeInterest	900000
CY2018Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	700000
CY2019Q2	us-gaap	Interest Expense InterestExpense	3200000
CY2019Q1	us-gaap	Interest Expense InterestExpense	3200000
CY2018Q4	us-gaap	Interest Expense InterestExpense	3400000
CY2018Q3	us-gaap	Interest Expense InterestExpense	2200000
CY2019Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	200000
CY2019Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-100000
CY2018Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1100000
CY2019Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2100000
CY2019Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2600000
CY2018Q4	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2500000
CY2018Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-400000
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-7700000
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3300000
CY2018Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3600000
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	800000
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3400000
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3600000
CY2018Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1000000.0
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1600000
CY2019Q2	us-gaap	Profit Loss ProfitLoss	-4300000
CY2019Q1	us-gaap	Profit Loss ProfitLoss	6900000
CY2018Q4	us-gaap	Profit Loss ProfitLoss	2600000
CY2018Q3	us-gaap	Profit Loss ProfitLoss	-800000
CY2019Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-100000
CY2018Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-100000
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	-4200000
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	6900000
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	2600000
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	-700000
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.06
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.09
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.04
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.06
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.09
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.01
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73.4
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73.3
CY2018Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	74.2
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73.0
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74.8
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74.9
CY2018Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	76.5
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	73.0

Files In Submission

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$MYGN
MYRIAD GENETICS INC Stock $mygn

2020 Q2 Form 10-K Financial Statement

#000156459020040011 Filed on August 13, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$MYGN MYRIAD GENETICS INC Stock $mygn

2020 Q2 Form 10-K Financial Statement

#000156459020040011 Filed on August 13, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MYGN
MYRIAD GENETICS INC Stock $mygn