$MRCY
MERCURY SYSTEMS INC Stock $mrcy

$mrcy Overview Financials Valuation SEC Filings Company Website

2020 Q3 Form 10-K Financial Statement

#000104952120000034 Filed on August 18, 2020

Income Statement

Concept	2020 Q3	2019 Q2	2019 Q1
Revenue	$217.4M	$177.0M	$174.6M
YoY Change	22.61%	0.0%	0.0%
Cost Of Revenue	$120.8M	$97.10M	$100.8M
YoY Change	22.14%	14.78%	58.55%
Gross Profit	$96.60M	$79.84M	$73.85M
YoY Change	23.21%	0.0%	0.0%
Gross Profit Margin	44.43%	45.12%	42.29%
Selling, General & Admin	$35.50M	$30.70M	$27.41M
YoY Change	18.45%	20.87%	29.68%
% of Gross Profit	36.75%	38.45%	37.12%
Research & Development	$27.00M	$20.30M	$17.44M
YoY Change	23.46%	36.24%	16.1%
% of Gross Profit	27.95%	25.43%	23.62%
Depreciation & Amortization	$12.70M	$11.60M	$11.50M
YoY Change	11.59%	-3.33%	0.88%
% of Gross Profit	13.15%	14.53%	15.57%
Operating Expenses	$70.20M	$58.10M	$51.79M
YoY Change	15.23%	21.55%	12.75%
Operating Profit	$26.40M	$20.85M	$22.06M
YoY Change	51.06%	0.0%	0.0%
Interest Expense	-$800.0K	-$1.600M	$2.473M
YoY Change		-5.88%	147.55%
% of Operating Profit	-3.03%	-7.67%	11.21%
Other Income/Expense, Net	$1.600M	-$6.700M	-$328.0K
YoY Change	-211.58%	1240.0%	-596.97%
Pretax Income	$27.00M	$12.59M	$19.47M
YoY Change	56.71%	0.0%	0.0%
Income Tax	-$200.0K	-$217.0K	$5.357M
% Of Pretax Income	-0.74%	-1.72%	27.52%
Net Earnings	$27.20M	$12.80M	$14.11M
YoY Change	41.32%	0.0%	0.0%
Net Earnings / Revenue	12.51%	7.24%	8.08%
Basic Earnings Per Share		$0.26	$0.30
Diluted Earnings Per Share	$492.8K	$0.25	$0.29
COMMON SHARES
Basic Shares Outstanding	55.64M shares	48.45M shares	47.26M shares
Diluted Shares Outstanding			47.96M shares

Balance Sheet

Concept	2020 Q3	2019 Q2	2019 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$226.8M	$257.9M	$112.5M
YoY Change	40.61%	287.82%	154.52%
Cash & Equivalents	$226.8M	$257.9M	$112.5M
Short-Term Investments
Other Short-Term Assets	$19.10M	$10.90M	$10.30M
YoY Change	20.89%	-14.84%	0.0%
Inventory	$178.1M	$137.1M	$131.7M
Prepaid Expenses
Receivables	$120.4M	$118.8M	$114.8M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$634.8M	$582.2M	$425.2M
YoY Change	26.19%	75.49%	35.77%
LONG-TERM ASSETS
Property, Plant & Equipment	$87.74M	$60.00M	$55.86M
YoY Change	33.04%	17.7%	8.9%
Goodwill	$614.1M	$562.1M	$543.5M
YoY Change	-0.5%	13.01%	381.63%
Intangibles	$208.7M	$206.1M	$180.8M
YoY Change	-9.31%	15.86%	-2.98%
Long-Term Investments
YoY Change
Other Assets	$4.777M	$6.534M	$7.011M
YoY Change	-22.84%	1.92%	2.89%
Total Long-Term Assets	$976.0M	$834.8M	$787.2M
YoY Change	0.53%	13.93%	5.84%
TOTAL ASSETS
Total Short-Term Assets	$634.8M	$582.2M	$425.2M
Total Long-Term Assets	$976.0M	$834.8M	$787.2M
Total Assets	$1.611B	$1.417B	$1.212B
YoY Change	9.29%	33.11%	14.71%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$41.88M	$39.03M	$35.22M
YoY Change	19.85%	83.04%	7.19%
Accrued Expenses	$23.79M	$18.90M	$20.34M
YoY Change	9.44%	15.32%	22.14%
Deferred Revenue	$18.97M	$11.29M
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$125.9M	$98.03M	$93.79M
YoY Change	33.85%	36.76%	18.22%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$276.5M
YoY Change		-100.0%	41.79%
Other Long-Term Liabilities	$15.03M	$15.12M	$15.02M
YoY Change	22.82%	34.08%	27.3%
Total Long-Term Liabilities	$15.03M	$15.12M	$15.02M
YoY Change	22.82%	34.08%	27.3%
TOTAL LIABILITIES
Total Short-Term Liabilities	$125.9M	$98.03M	$93.79M
Total Long-Term Liabilities	$15.03M	$15.12M	$15.02M
Total Liabilities	$225.9M	$132.2M	$400.0M
YoY Change	26.52%	-54.8%	32.82%
SHAREHOLDERS EQUITY
Retained Earnings	$312.5M	$226.7M	$213.9M
YoY Change	27.02%	25.99%	25.95%
Common Stock	$547.0K	$542.0K	$473.0K
YoY Change	0.37%	15.57%	1.07%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.385B	$1.285B	$812.4M
YoY Change
Total Liabilities & Shareholders Equity	$1.611B	$1.417B	$1.212B
YoY Change	9.29%	33.11%	14.71%

Cashflow Statement

Concept	2020 Q3	2019 Q2	2019 Q1
OPERATING ACTIVITIES
Net Income	$27.20M	$12.80M	$14.11M
YoY Change	41.32%	0.0%	0.0%
Depreciation, Depletion And Amortization	$12.70M	$11.60M	$11.50M
YoY Change	11.59%	-3.33%	0.88%
Cash From Operating Activities	$28.70M	$26.00M	$26.20M
YoY Change	18.06%	1.56%	2811.11%
INVESTING ACTIVITIES
Capital Expenditures	-$11.50M	-$8.800M	-$7.100M
YoY Change	-219.85%	120.0%	102.86%
Acquisitions			$36.50M
YoY Change
Other Investing Activities	$0.00	-$45.60M	-$36.50M
YoY Change	-100.0%		-79.68%
Cash From Investing Activities	-$11.50M	-$54.40M	-$43.60M
YoY Change	-89.16%	1226.83%	-76.17%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-197.6M	173.9M	36.00M
YoY Change	1257.24%	17290.0%	-81.52%
NET CHANGE
Cash From Operating Activities	28.70M	26.00M	26.20M
Cash From Investing Activities	-11.50M	-54.40M	-43.60M
Cash From Financing Activities	-197.6M	173.9M	36.00M
Net Change In Cash	-180.4M	145.5M	18.60M
YoY Change	86.69%	546.67%	46.46%
FREE CASH FLOW
Cash From Operating Activities	$28.70M	$26.00M	$26.20M
Capital Expenditures	-$11.50M	-$8.800M	-$7.100M
Free Cash Flow	$40.20M	$34.80M	$33.30M
YoY Change	173.19%	17.57%	656.82%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--07-03
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CY2019Q4	dei	Entity Public Float EntityPublicFloat	3900000000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1451000	USD
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CY2019Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
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CY2019Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
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CY2017Q2	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	0	USD
CY2017Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
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CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-07-03
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-07-03
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	0-23599
CY2020	dei	Entity Registrant Name EntityRegistrantName	MERCURY SYSTEMS, INC
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MA
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-2741391
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	50 Minuteman Road
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	01810
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Andover
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
CY2020	dei	City Area Code CityAreaCode	978
CY2020	dei	Local Phone Number LocalPhoneNumber	256-1300
CY2020	dei	Security12b Title Security12bTitle	Common Stock, Par Value $0.01 Per Share
CY2020	dei	Trading Symbol TradingSymbol	MRCY
CY2020	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2020	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	2151000	USD
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CY2020	us-gaap	Net Income Loss NetIncomeLoss	85712000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	46775000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	40883000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	174000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-232000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-137000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1768000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	2350000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-354000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1594000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2582000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	217000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	84118000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	44193000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	41100000	USD
CY2017Q2	us-gaap	Stockholders Equity StockholdersEquity	725417000	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	663000	USD
CY2018	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2782000	USD
CY2018	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	15508000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	17437000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	40883000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	771891000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	0	USD
CY2019	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	3661000	USD
CY2019	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	7968000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	453573000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	19389000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	46775000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	1284739000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	5000	USD
CY2020	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	5312000	USD
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	16249000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	26859000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	85712000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	1384784000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	85712000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	46775000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	40883000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	49330000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	46392000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	42277000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	26538000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	19422000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	17314000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3019000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1557000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5464000	USD
CY2020	us-gaap	Gain Loss On Investments GainLossOnInvestments	5817000	USD
CY2019	us-gaap	Gain Loss On Investments GainLossOnInvestments	0	USD
CY2018	us-gaap	Gain Loss On Investments GainLossOnInvestments	0	USD
CY2020	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	0	USD
CY2019	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-5420000	USD
CY2018	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	0	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-3509000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-3779000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2103000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	31079000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	28096000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	22751000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	31609000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	17101000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	16230000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	2792000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	-3843000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	2327000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2116000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1075000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	361000	USD
CY2020	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	1260000	USD
CY2019	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-101000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-296000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	13610000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	17949000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-5267000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	7082000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-1531000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	6035000	USD
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-131000	USD
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	3152000	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-11187000	USD
CY2020	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	7226000	USD
CY2019	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	44000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-2000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	115184000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	97517000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	43321000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	96502000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	127083000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	185396000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	43294000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	26691000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	15106000	USD
CY2020	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	4310000	USD
CY2019	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	USD
CY2018	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	375000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-135486000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-153774000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-200877000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5317000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3661000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3445000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	16249000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	7968000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	15508000	USD
CY2020	us-gaap	Repayments Of Debt RepaymentsOfDebt	200000000	USD
CY2019	us-gaap	Repayments Of Debt RepaymentsOfDebt	324500000	USD
CY2018	us-gaap	Repayments Of Debt RepaymentsOfDebt	15000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	200000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	129500000	USD
CY2018	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	210000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	454343000	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2020	us-gaap	Payments For Derivative Instrument Financing Activities PaymentsForDerivativeInstrumentFinancingActivities	0	USD
CY2019	us-gaap	Payments For Derivative Instrument Financing Activities PaymentsForDerivativeInstrumentFinancingActivities	5420000	USD
CY2018	us-gaap	Payments For Derivative Instrument Financing Activities PaymentsForDerivativeInstrumentFinancingActivities	0	USD
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	1851000	USD
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-10932000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	247765000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	182937000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	140000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-97000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-497000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-31094000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	191411000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	24884000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	257932000	USD
CY2018Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	66521000	USD
CY2017Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	41637000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	226838000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	257932000	USD
CY2018Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	66521000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	1046000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	10368000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	1607000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	12939000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7351000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	17004000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Investments Acquired1 NoncashOrPartNoncashAcquisitionInvestmentsAcquired1	2623000	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Investments Acquired1 NoncashOrPartNoncashAcquisitionInvestmentsAcquired1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Investments Acquired1 NoncashOrPartNoncashAcquisitionInvestmentsAcquired1	0	USD
CY2020	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	0	USD
CY2019	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	770000	USD
CY2018	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	0	USD
CY2020	us-gaap	Nature Of Operations NatureOfOperations	Description of Business<div style="text-indent:22.5pt;text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Mercury Systems, Inc. (the “Company” or “Mercury”) is a leading technology company serving the aerospace and defense electronics industry, positioned at the intersection of high-tech and defense. Headquartered in Andover, Massachusetts, the Company delivers solutions that power a broad range of aerospace and defense programs, optimized for mission success in some of the most challenging and demanding environments. The Company envisions, creates and delivers innovative technology solutions purpose-built to meet our customers’ most-pressing high-tech needs, including those specific to the defense community. </span></div><div style="text-indent:22.5pt;text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">As a leading manufacturer of essential components, modules and subsystems, the Company sells to defense prime contractors, the U.S. government and original equipment manufacturers (“OEM”) commercial aerospace companies. The Company has built a trusted, contemporary portfolio of proven product solutions purpose-built for aerospace and defense that it believes meets and exceeds the performance needs of its defense and commercial customers. Customers add their own applications and algorithms to our specialized, secure and innovative pre-integrated solutions. This allows them to complete their full system by integrating with their platform, the sensor technology and, in some cases, the processing from Mercury, with their platform. The Company's products and solutions are deployed in more than 300 programs with over 25 different defense prime contractors and commercial aviation customers. </span></div><div style="text-indent:22.5pt;text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">The Company's transformational business model accelerates the process of making new technology profoundly more accessible to its customers by bridging the gap between commercial technology and aerospace and defense applications. The Company's long-standing deep relationships with leading high-tech companies, coupled with the Company's high level of research and development (“R&D”) investments and industry-leading trusted and secure design and manufacturing capabilities, are the foundational tenets of this highly successful model.</span></div><div style="text-indent:22.5pt;text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">The Company's capabilities, technology and R&D investment strategy combine to differentiate Mercury in its industry. The Company's technologies and capabilities include secure embedded processing modules and subsystems, mission computers, secure and rugged rack-mount servers, safety-critical avionics, radio frequency (“RF”) components, multi-function assemblies, subsystems and custom microelectronics. The Company maintains our technological edge by investing in critical capabilities and intellectual property (“IP” or “building blocks”) in processing and RF, leveraging open standards and open architectures to adapt quickly those building blocks into solutions for highly data-intensive applications, including emerging needs in areas such as artificial intelligence (“AI”).</span></div><div style="text-indent:22.5pt;text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">The Company's mission critical solutions are deployed by its customers for a variety of applications including command, control, communications, computers, intelligence, surveillance and reconnaissance (“C4ISR”), electronic intelligence, avionics, electro-optical/infrared (“EO/IR”), electronic warfare, weapons and missile defense, hypersonics and radar.</span></div><div style="text-indent:22.5pt;text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">On September 23, 2019, the Company acquired American Panel Corporation (“APC”) on a cash-free, debt-free basis for a total purchase price of $100,000, prior to net working capital and net debt adjustments. Based in Alpharetta, Georgia, APC is a leading innovator in large area display technology for the aerospace and defense market. APC's capabilities are deployed on a wide range of next-generation platforms.</span></div><div style="text-indent:22.5pt;text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">On May 20, 2019, the Company announced the commencement of an underwritten public offering of its common stock, par value $0.01 per share. On May 31, 2019 the Company closed the offering, including the full over-allotment allocation, selling an aggregate of 6,900 shares of common stock at a price to the public of $69.00 for total net proceeds of $454,343. </span></div><div style="text-indent:22.5pt;text-align:justify;margin-top:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">On April 18, 2019, the Company acquired The Athena Group, Inc. (“Athena”) and Syntonic Microwave LLC (“Syntonic”) on a cash-free, debt-free basis for a combined total purchase price of $46,000, prior to net working capital and net debt adjustments. Athena was a privately-held company based in Gainesville, Florida and a leading provider of cryptographic and countermeasure IP vital to securing defense computing systems. Syntonic was a privately held company based in Campbell, California and a leading provider of advanced synthesizers, wideband phase coherent tuners and microwave converters optimized for signals intelligence and electronic intelligence applications demanding frequency coverage up to 40 GHz with 2 GHz instantaneous bandwidth. </span></div><div style="text-indent:22.5pt;text-align:justify;margin-top:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">On January 29, 2019, the Company acquired GECO Avionics, LLC (“GECO”) on a cash-free, debt-free basis for a total purchase price of $36,500. Based in Mesa, Arizona, GECO has over twenty years of experience designing and manufacturing affordable safety-critical avionics and mission computing solutions. </span></div>On July 31, 2018, the Company acquired Germane Systems, LC (“Germane”) on a cash-free, debt-free basis for a total purchase price of $45,000, prior to net working capital and net debt adjustments. Based in Chantilly, Virginia, Germane is an industry leader in the design, development and manufacturing of rugged servers, computers and storage systems for command, control and intelligence (“C2I”) applications. For further details on the acquisitions, see Note C to the consolidated financial statements.
CY2020	mrcy	Natureof Business Numberof Programs Using Productsand Services NatureofBusinessNumberofProgramsUsingProductsandServices	300	program
CY2020	mrcy	Natureof Business Numberof Contractors Using Productsand Services NatureofBusinessNumberofContractorsUsingProductsandServices	25	contractor
CY2020Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q2	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	6900000	USD
CY2019Q2	us-gaap	Sale Of Stock Price Per Share SaleOfStockPricePerShare	69.00
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	454343000	USD
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-align:justify;margin-top:9pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;">U</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%;">SE</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;"> </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%;">OF</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;"> E</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%;">STIMATES</span></div><div style="text-indent:24.75pt;text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">The preparation of financial statements in conformity with Generally Accepted Accounting Principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the dates of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates.</span></div>
CY2020Q3	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	90289000	USD
CY2019Q2	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	57387000	USD
CY2020Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	19892000	USD
CY2019Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	12362000	USD
CY2019Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	12362000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	10216000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	280346000	USD
CY2020	mrcy	Percentage Of Revenue Recognized PercentageOfRevenueRecognized	0.73
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="text-align:justify;margin-top:9pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;">C</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%;">ONCENTRATION</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;"> </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%;">OF</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;"> C</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%;">REDIT</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;"> R</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%;">ISK</span></div><div style="text-indent:24.75pt;text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Financial instruments that potentially expose the Company to concentrations of credit risk consist principally of cash, cash equivalents and accounts receivable. The Company places its cash and cash equivalents with financial institutions of high credit quality. As of July 3, 2020 and June 30, 2019, the Company had $226,838 and $257,932, respectively, of cash and cash equivalents on deposit or invested with its financial and lending institutions.</span></div><div style="text-indent:22.5pt;text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">The Company provides credit to customers in the normal course of business. The Company performs ongoing credit evaluations of its customers’ financial condition and limits the amount of credit extended when deemed necessary. As of July 3, 2020, five customers accounted for 52% of the Company's accounts receivable, unbilled receivables and costs in excess of billings. As of June 30, 2019, five customers accounted for 56% of the Company’s accounts receivable, unbilled receivables and costs in excess of billings. </span></div><div style="text-indent:24.75pt;text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">The Company maintains an allowance for doubtful accounts to provide for the estimated amount of receivables that will not be fully collected. The allowance is based on the assessment of the following factors; customer creditworthiness, historical payment experience, age of outstanding receivables and any applicable collateral.</span></div>
CY2020Q3	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	226838000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	257932000	USD
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2020	us-gaap	Property Plant And Equipment Useful Life PropertyPlantAndEquipmentUsefulLife	P3Y
CY2020	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	905000	USD
CY2019	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	749000	USD
CY2018	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	733000	USD
CY2020Q3	mrcy	Percentage Of Income Tax Examination Minimum Likelihood Of Tax Benefits Being Realized Upon Settlement PercentageOfIncomeTaxExaminationMinimumLikelihoodOfTaxBenefitsBeingRealizedUponSettlement	0.50
CY2019Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1870000	USD
CY2018Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1336000	USD
CY2017Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1691000	USD
CY2020	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	2839000	USD
CY2019	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	2274000	USD
CY2018	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	1318000	USD
CY2020	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	1613000	USD
CY2019	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	1909000	USD
CY2018	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	1790000	USD
CY2020Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	3835000	USD
CY2019Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1870000	USD
CY2018Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1336000	USD
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	752000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55115000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	54546000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47831000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	46719000	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	569000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	669000	shares
CY2020Q3	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	49647000	USD
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48500000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	47471000	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	8000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	32000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	329000	shares
CY2020Q3	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	174000	USD
CY2019Q2	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-232000	USD
CY2018Q2	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-137000	USD
CY2020Q3	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-1768000	USD
CY2019Q2	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-2350000	USD
CY2018Q2	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	354000	USD
CY2019Q1	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	36500000	USD
CY2020	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	4310000	USD
CY2020	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	3810000	USD
CY2020	us-gaap	Assets Fair Value Adjustment AssetsFairValueAdjustment	2007000	USD
CY2020Q3	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	111225000	USD
CY2019Q2	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	84561000	USD
CY2019Q2	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	38525000	USD
CY2020Q3	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	17221000	USD
CY2019Q2	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	14026000	USD
CY2020Q3	us-gaap	Inventory Net InventoryNet	178093000	USD
CY2019Q2	us-gaap	Inventory Net InventoryNet	137112000	USD
CY2020	mrcy	Increase Decrease In Inventories Including Assets Acquired IncreaseDecreaseInInventoriesIncludingAssetsAcquired	40981000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	219542000	USD
CY2019Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	172963000	USD
CY2020Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	131805000	USD
CY2019Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	112962000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	87737000	USD
CY2019Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	60001000	USD
CY2020	us-gaap	Property Plant And Equipment Gross Period Increase Decrease PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease	27736000	USD
CY2020	us-gaap	Depreciation Depreciation	18770000	USD
CY2019	us-gaap	Depreciation Depreciation	18478000	USD
CY2018	us-gaap	Depreciation Depreciation	16273000	USD
CY2019Q2	us-gaap	Goodwill Goodwill	562146000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	614076000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	294657000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	85909000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	208748000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	268167000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	62043000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	206124000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	30326000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	29114000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	26857000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	23614000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	22034000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	76803000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	208748000	USD
CY2020	mrcy	Restructuring Charges Net RestructuringChargesNet	1805000	USD
CY2020	us-gaap	Restructuring And Related Cost Number Of Positions Eliminated RestructuringAndRelatedCostNumberOfPositionsEliminated	20	position
CY2020	us-gaap	Restructuring And Related Cost Number Of Positions Eliminated RestructuringAndRelatedCostNumberOfPositionsEliminated	20	position
CY2019	us-gaap	Other Restructuring Costs OtherRestructuringCosts	560000	USD
CY2018	us-gaap	Other Restructuring Costs OtherRestructuringCosts	3159000	USD
CY2018	us-gaap	Restructuring And Related Cost Number Of Positions Eliminated RestructuringAndRelatedCostNumberOfPositionsEliminated	38	position
CY2018Q2	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	1801000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	629000	USD
CY2019	us-gaap	Payments For Restructuring PaymentsForRestructuring	2357000	USD
CY2019	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	-69000	USD
CY2019Q2	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	4000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	1805000	USD
CY2020	us-gaap	Payments For Restructuring PaymentsForRestructuring	1212000	USD
CY2020Q3	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	597000	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	60613000	USD
CY2020Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6950000	USD
CY2020Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	66981000	USD
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	73931000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	6929000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	19942000	USD
CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y3M18D
CY2020Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0491
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	9572000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	10741000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	10272000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	9333000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	9356000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	44763000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	94037000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	20106000	USD
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	73931000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Remainder Of Fiscal Year OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear	10205000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	8949000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	8280000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	7414000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	6496000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	28286000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	28286000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	69630000	USD
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	10029000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	8710000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	93388000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	57281000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	43368000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	545000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	2246000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-795000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	93933000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	59527000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	42573000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	8442000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	11454000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	4470000	USD
CY2020	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	7365000	USD
CY2019	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	8446000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2370000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-2327000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1077000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3008000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-4527000	USD
CY2018	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-57000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3407000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5194000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1421000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-537000	USD
CY2020	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	1080000	USD
CY2019	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	3773000	USD
CY2018	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	1833000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	475000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	546000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	186000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-699000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-13000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-272000	USD
CY2020	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	-224000	USD
CY2019	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	533000	USD
CY2018	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	-86000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8221000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12752000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1690000	USD
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	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.280
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.061
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.059
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.056
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.010
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment	0.119
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment	0.045
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CY2020Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	562000	USD
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Files In Submission

Name	View Source	Status
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0001049521-20-000034-index.html	Edgar Link	pending
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$MRCY
MERCURY SYSTEMS INC Stock $mrcy

2020 Q3 Form 10-K Financial Statement

#000104952120000034 Filed on August 18, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MRCY MERCURY SYSTEMS INC Stock $mrcy

2020 Q3 Form 10-K Financial Statement

#000104952120000034 Filed on August 18, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MRCY
MERCURY SYSTEMS INC Stock $mrcy