$MRCY
MERCURY SYSTEMS INC Stock $mrcy

$mrcy Overview Financials Valuation SEC Filings Company Website

2018 Q2 Form 10-K Financial Statement

#000104952119000033 Filed on August 15, 2019

Income Statement

Concept	2018 Q2	2018 Q1	2017 Q4
Revenue	$177.0M	$174.6M	$159.1M
YoY Change	15.76%	50.11%	34.92%
Cost Of Revenue	$84.60M	$63.57M	$63.75M
YoY Change	37.12%	12.45%	25.93%
Gross Profit	$79.84M	$73.85M	$70.89M
YoY Change	16.97%	39.95%	30.88%
Gross Profit Margin	45.12%	42.29%	44.56%
Selling, General & Admin	$25.40M	$21.14M	$21.22M
YoY Change	24.51%	9.93%	9.84%
% of Gross Profit	31.81%	28.62%	29.94%
Research & Development	$14.90M	$15.02M	$15.19M
YoY Change	7.19%	5.8%	15.44%
% of Gross Profit	18.66%	20.34%	21.42%
Depreciation & Amortization	$12.00M	$11.40M	$9.600M
YoY Change	30.43%	44.3%	21.52%
% of Gross Profit	15.03%	15.44%	13.54%
Operating Expenses	$47.80M	$45.93M	$43.27M
YoY Change	20.4%	17.5%	12.6%
Operating Profit	$20.85M	$22.06M	$19.86M
YoY Change	10.39%	222.64%	82.41%
Interest Expense	-$1.700M	$999.0K	$107.0K
YoY Change	0.0%	-47.23%	-94.36%
% of Operating Profit	-8.15%	4.53%	0.54%
Other Income/Expense, Net	-$500.0K	$66.00K	-$316.0K
YoY Change		-76.34%	263.22%
Pretax Income	$12.59M	$19.47M	$16.87M
YoY Change	-24.3%	229.65%	61.12%
Income Tax	-$217.0K	$5.357M	$4.483M
% Of Pretax Income	-1.72%	27.52%	26.58%
Net Earnings	$12.80M	$14.11M	$12.38M
YoY Change	26.76%	281.74%	35.59%
Net Earnings / Revenue	7.24%	8.08%	7.78%
Basic Earnings Per Share	$0.26	$0.30	$0.26
Diluted Earnings Per Share	$0.25	$0.29	$0.26
COMMON SHARES
Basic Shares Outstanding	48.19M shares	46.84M shares	46.75M shares
Diluted Shares Outstanding		47.53M shares	47.45M shares

Balance Sheet

Concept	2018 Q2	2018 Q1	2017 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$66.50M	$44.20M	$32.00M
YoY Change	59.86%	-83.64%	-30.74%
Cash & Equivalents	$66.52M	$44.22M	$32.04M
Short-Term Investments
Other Short-Term Assets	$12.80M	$10.30M	$8.000M
YoY Change	30.61%	9.57%	-31.62%
Inventory	$108.6M	$117.1M	$105.9M
Prepaid Expenses
Receivables	$104.0M	$101.4M	$87.32M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$331.7M	$313.2M	$268.9M
YoY Change	34.75%	-30.15%	19.59%
LONG-TERM ASSETS
Property, Plant & Equipment	$50.98M	$51.29M	$51.64M
YoY Change	-1.28%	8.31%	31.14%
Goodwill	$497.4M	$112.8M	$384.8M
YoY Change	30.61%	-69.14%	4.91%
Intangibles	$177.9M	$186.4M	$120.7M
YoY Change	37.87%	58.02%	-1.34%
Long-Term Investments
YoY Change
Other Assets	$6.411M	$6.814M	$9.817M
YoY Change	-20.09%	240.53%	402.92%
Total Long-Term Assets	$732.7M	$743.8M	$566.9M
YoY Change	28.65%	39.54%	6.88%
TOTAL ASSETS
Total Short-Term Assets	$331.7M	$313.2M	$268.9M
Total Long-Term Assets	$732.7M	$743.8M	$566.9M
Total Assets	$1.064B	$1.057B	$835.8M
YoY Change	30.49%	7.7%	10.66%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$21.32M	$32.86M	$37.63M
YoY Change	-22.42%	35.1%	43.42%
Accrued Expenses	$16.39M	$16.66M	$10.43M
YoY Change	-20.43%	14.08%	-1.14%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$71.68M	$79.34M	$74.28M
YoY Change	-1.6%	8.14%	8.4%
LONG-TERM LIABILITIES
Long-Term Debt	$195.0M	$195.0M	$0.00
YoY Change		10.73%	-100.0%
Other Long-Term Liabilities	$11.28M	$11.80M	$11.45M
YoY Change	-4.21%	-7.56%	32.0%
Total Long-Term Liabilities	$11.28M	$11.80M	$11.45M
YoY Change	-4.21%	-7.56%	32.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$71.68M	$79.34M	$74.28M
Total Long-Term Liabilities	$11.28M	$11.80M	$11.45M
Total Liabilities	$292.6M	$301.2M	$86.59M
YoY Change	223.92%	11.54%	-68.0%
SHAREHOLDERS EQUITY
Retained Earnings	$180.0M	$169.9M	$166.2M
YoY Change	29.39%	30.39%	34.84%
Common Stock	$469.0K	$468.0K	$468.0K
YoY Change	1.3%	1.52%	19.39%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$771.9M	$755.8M	$771.9M
YoY Change
Total Liabilities & Shareholders Equity	$1.064B	$1.057B	$835.8M
YoY Change	30.49%	7.7%	10.66%

Cashflow Statement

Concept	2018 Q2	2018 Q1	2017 Q4
OPERATING ACTIVITIES
Net Income	$12.80M	$14.11M	$12.38M
YoY Change	26.76%	281.74%	35.59%
Depreciation, Depletion And Amortization	$12.00M	$11.40M	$9.600M
YoY Change	30.43%	44.3%	21.52%
Cash From Operating Activities	$25.60M	$900.0K	$8.800M
YoY Change	163.92%	-96.39%	-38.03%
INVESTING ACTIVITIES
Capital Expenditures	-$4.000M	-$3.500M	-$4.000M
YoY Change	-33.33%	-73.08%	-48.05%
Acquisitions
YoY Change
Other Investing Activities	$0.00	-$179.6M	$200.0K
YoY Change	-100.0%	-12073.33%	-100.52%
Cash From Investing Activities	-$4.100M	-$183.0M	-$3.800M
YoY Change	-91.26%	1477.59%	-91.81%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	1.000M	194.8M	600.0K
YoY Change	-100.52%	-7.59%	-50.0%
NET CHANGE
Cash From Operating Activities	25.60M	900.0K	8.800M
Cash From Investing Activities	-4.100M	-183.0M	-3.800M
Cash From Financing Activities	1.000M	194.8M	600.0K
Net Change In Cash	22.50M	12.70M	5.600M
YoY Change	-109.81%	-94.33%	-118.06%
FREE CASH FLOW
Cash From Operating Activities	$25.60M	$900.0K	$8.800M
Capital Expenditures	-$4.000M	-$3.500M	-$4.000M
Free Cash Flow	$29.60M	$4.400M	$12.80M
YoY Change	88.54%	-88.39%	-41.55%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0001049521
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CY2019Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	83000	USD
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CY2019Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	85000000	shares
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CY2019Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	46303075	shares
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CY2016Q2	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	0	USD
CY2019	dei	Document Type DocumentType	10-K
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CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-06-30
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	0-23599
CY2019	dei	Entity Registrant Name EntityRegistrantName	MERCURY SYSTEMS, INC
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MA
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-2741391
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	50 Minuteman Road
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	01810
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Andover
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
CY2019	dei	City Area Code CityAreaCode	978
CY2019	dei	Local Phone Number LocalPhoneNumber	256-1300
CY2019	dei	Security12b Title Security12bTitle	Common Stock, Par Value $0.01 Per Share
CY2019	dei	Trading Symbol TradingSymbol	MRCY
CY2019	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
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CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-354000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-220000	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
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	127000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	44193000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	41100000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	25002000	USD
CY2016Q2	us-gaap	Stockholders Equity StockholdersEquity	473044000	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2756000	USD
CY2017	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2214000	USD
CY2017	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	8766000	USD
CY2017	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	215725000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	15442000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	24875000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-93000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-220000	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
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-137000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-354000	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
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-232000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	2350000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	1284739000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	46775000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	40883000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	24875000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	46392000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	42277000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	32269000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	19422000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	17314000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	15341000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1557000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5464000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-7841000	USD
CY2019	us-gaap	Paid In Kind Interest PaidInKindInterest	0	USD
CY2018	us-gaap	Paid In Kind Interest PaidInKindInterest	0	USD
CY2017	us-gaap	Paid In Kind Interest PaidInKindInterest	1810000	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
CY2017	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	0	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-3779000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2103000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	626000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	28096000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	22751000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	14054000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	17101000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	16230000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	9318000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	-3843000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	2327000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	-1978000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	1075000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	361000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	1270000	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
CY2017	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-372000	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
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	3520000	USD
CY2019	us-gaap	Increase Decrease In Deferred Revenue And Customer Advances And Deposits IncreaseDecreaseInDeferredRevenueAndCustomerAdvancesAndDeposits	-1531000	USD
CY2018	us-gaap	Increase Decrease In Deferred Revenue And Customer Advances And Deposits IncreaseDecreaseInDeferredRevenueAndCustomerAdvancesAndDeposits	6035000	USD
CY2017	us-gaap	Increase Decrease In Deferred Revenue And Customer Advances And Deposits IncreaseDecreaseInDeferredRevenueAndCustomerAdvancesAndDeposits	-1621000	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
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	9622000	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
CY2017	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	4089000	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
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	59146000	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
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	77757000	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
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	32844000	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
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	486000	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
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-111087000	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
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	215725000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3661000	USD
CY2018	us-gaap	Repayments Of Debt RepaymentsOfDebt	15000000	USD
CY2017	us-gaap	Repayments Of Debt RepaymentsOfDebt	200000000	USD
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2017	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	591000	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
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	11338000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-97000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-497000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3445000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4970000	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
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	8766000	USD
CY2019	us-gaap	Repayments Of Debt RepaymentsOfDebt	324500000	USD
CY2019	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	129500000	USD
CY2018	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	210000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	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
CY2017	us-gaap	Payments For Derivative Instrument Financing Activities PaymentsForDerivativeInstrumentFinancingActivities	0	USD
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	1851000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	549000	USD
CY2019	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	191411000	USD
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	24884000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-40054000	USD
CY2018Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	66521000	USD
CY2017Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	41637000	USD
CY2016Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	81691000	USD
CY2019Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	257932000	USD
CY2018Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	66521000	USD
CY2017Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	41637000	USD
CY2019	us-gaap	Interest Paid InterestPaid	10368000	USD
CY2018	us-gaap	Interest Paid InterestPaid	1607000	USD
CY2017	us-gaap	Interest Paid InterestPaid	5758000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7351000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	17004000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2834000	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
CY2017	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	0	USD
CY2019	us-gaap	Nature Of Operations NatureOfOperations	<span style="font-family:inherit;font-size:10pt;font-weight:bold;">Description of Business</span><div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:30px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Mercury Systems, Inc. (the “Company” or “Mercury”) is a leading commercial provider of secure sensor and safety-critical mission processing subsystems. Headquartered in Andover, Massachusetts, the Company is delivering solutions that power a broad range of critical aerospace, defense and intelligence programs, configured and optimized for mission success in some of the most challenging and demanding environments. The Company's innovative next-generation defense electronics business model is designed to meet the industry’s current and emerging technology and business needs by delivering affordable state-of-the-art solutions, rapid time-to-value, service and support to the Company's defense prime contractor customers. The Company's products and solutions have been successfully deployed in more than </span><span style="font-family:inherit;font-size:10pt;"><span>300</span></span><span style="font-family:inherit;font-size:10pt;"> programs with over </span><span style="font-family:inherit;font-size:10pt;"><span>25</span></span><span style="font-family:inherit;font-size:10pt;"> different defense prime contractors, a testament to its deep domain expertise and culture of innovation.</span></div><div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:30px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">On May 20, 2019, the Company announced the commencement of an underwritten public offering of its common stock, par value </span><span style="font-family:inherit;font-size:10pt;"><span>$0.01</span></span><span style="font-family:inherit;font-size:10pt;"> per share. On May 31, 2019 the Company closed the offering, including the full over-allotment allocation, selling an aggregate of </span><span style="font-family:inherit;font-size:10pt;"><span>6,900</span></span><span style="font-family:inherit;font-size:10pt;"> shares of common stock at a price to the public of </span><span style="font-family:inherit;font-size:10pt;"><span>$69.00</span></span><span style="font-family:inherit;font-size:10pt;"> for total net proceeds of </span><span style="font-family:inherit;font-size:10pt;"><span>$454,343</span></span><span style="font-family:inherit;font-size:10pt;">. </span></div><div style="line-height:120%;padding-top:8px;text-align:justify;text-indent:30px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">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 </span><span style="font-family:inherit;font-size:10pt;"><span>$46,000</span></span><span style="font-family:inherit;font-size:10pt;">, 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="line-height:120%;padding-top:8px;text-align:justify;text-indent:30px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">On January 29, 2019, the Company acquired GECO Avionics, LLC (“GECO”) on a cash-free, debt-free basis for a total purchase price of </span><span style="font-family:inherit;font-size:10pt;"><span>$36,500</span></span><span style="font-family:inherit;font-size:10pt;">. Based in Mesa, Arizona, GECO has over twenty years of experience designing and manufacturing affordable safety-critical avionics and mission computing solutions. </span></div><div style="line-height:120%;padding-bottom:6px;padding-top:8px;text-align:justify;text-indent:30px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">On July 31, 2018, the Company acquired Germane Systems, LC (“Germane”) on a cash-free, debt-free basis for a total purchase price of </span><span style="font-family:inherit;font-size:10pt;"><span>$45,000</span></span><span style="font-family:inherit;font-size:10pt;">, 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. </span></div><div style="line-height:120%;padding-bottom:6px;padding-top:8px;text-align:justify;text-indent:30px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">On February 1, 2018, the Company acquired Themis Computer (“Themis”) on a cash-free, debt-free basis for a total purchase price of approximately </span><span style="font-family:inherit;font-size:10pt;"><span>$180,000</span></span><span style="font-family:inherit;font-size:10pt;">, prior to net working capital and net debt adjustments. Based in Fremont, California, Themis is a leading designer, manufacturer and integrator of commercial, SWaP-optimized rugged servers, computers and storage systems for U.S. and international defense programs. The acquisition of Themis is consistent with the Company's strategy and will expand its position in the Command, Control, Communications, Computers, and Intelligence (“C4I”) market. </span></div>For further details on the acquisitions, see Note C to consolidated financial statements.
CY2019	mrcy	Natureof Business Numberof Programs Using Productsand Services NatureofBusinessNumberofProgramsUsingProductsandServices	300	program
CY2019	mrcy	Natureof Business Numberof Contractors Using Productsand Services NatureofBusinessNumberofContractorsUsingProductsandServices	25	contractor
CY2019Q2	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
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;padding-top:12px;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-weight:bold;">U</span><span style="font-family:inherit;font-size:8pt;font-weight:bold;">SE</span><span style="font-family:inherit;font-size:10pt;font-weight:bold;"> </span><span style="font-family:inherit;font-size:8pt;font-weight:bold;">OF</span><span style="font-family:inherit;font-size:10pt;font-weight:bold;"> E</span><span style="font-family:inherit;font-size:8pt;font-weight:bold;">STIMATES</span></div><div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">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>
CY2019Q2	us-gaap	Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear	57387000	USD
CY2018Q2	us-gaap	Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear	39774000	USD
CY2019Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	12362000	USD
CY2018Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	13425000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	10513000	USD
CY2019Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	186066000	USD
CY2019	mrcy	Percentage Of Revenue Recognized PercentageOfRevenueRecognized	0.61
CY2019	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="line-height:120%;padding-top:12px;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-weight:bold;">C</span><span style="font-family:inherit;font-size:8pt;font-weight:bold;">ONCENTRATION</span><span style="font-family:inherit;font-size:10pt;font-weight:bold;"> </span><span style="font-family:inherit;font-size:8pt;font-weight:bold;">OF</span><span style="font-family:inherit;font-size:10pt;font-weight:bold;"> C</span><span style="font-family:inherit;font-size:8pt;font-weight:bold;">REDIT</span><span style="font-family:inherit;font-size:10pt;font-weight:bold;"> R</span><span style="font-family:inherit;font-size:8pt;font-weight:bold;">ISK</span></div><div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">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. At </span><span style="font-family:inherit;font-size:10pt;">June 30, 2019</span><span style="font-family:inherit;font-size:10pt;"> and </span><span style="font-family:inherit;font-size:10pt;">2018</span><span style="font-family:inherit;font-size:10pt;">, the Company had </span><span style="font-family:inherit;font-size:10pt;"><span>$257,932</span></span><span style="font-family:inherit;font-size:10pt;"> and </span><span style="font-family:inherit;font-size:10pt;"><span>$66,521</span></span><span style="font-family:inherit;font-size:10pt;">, respectively, of cash and cash equivalents on deposit or invested with its financial and lending institutions.</span></div><div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:30px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">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. At </span><span style="font-family:inherit;font-size:10pt;">June 30, 2019</span><span style="font-family:inherit;font-size:10pt;">, </span><span style="font-family:inherit;font-size:10pt;"><span>five</span></span><span style="font-family:inherit;font-size:10pt;"> customers accounted for </span><span style="font-family:inherit;font-size:10pt;"><span>56%</span></span><span style="font-family:inherit;font-size:10pt;"> of the Company's accounts receivable, unbilled receivables and costs in excess of billings. At </span><span style="font-family:inherit;font-size:10pt;">June 30, 2018</span><span style="font-family:inherit;font-size:10pt;">, </span><span style="font-family:inherit;font-size:10pt;"><span>five</span></span><span style="font-family:inherit;font-size:10pt;"> customers accounted for </span><span style="font-family:inherit;font-size:10pt;"><span>54%</span></span><span style="font-family:inherit;font-size:10pt;"> of the Company’s accounts receivable, unbilled receivables and costs in excess of billings. </span></div>
CY2019Q2	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	257932000	USD
CY2018Q2	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	66521000	USD
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2019	us-gaap	Property Plant And Equipment Useful Life PropertyPlantAndEquipmentUsefulLife	P3Y
CY2019	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	749000	USD
CY2018	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	733000	USD
CY2017	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	508000	USD
CY2019	us-gaap	Revenue Recognition Deferred Revenue RevenueRecognitionDeferredRevenue
CY2019Q2	mrcy	Percentage Of Income Tax Examination Minimum Likelihood Of Tax Benefits Being Realized Upon Settlement PercentageOfIncomeTaxExaminationMinimumLikelihoodOfTaxBenefitsBeingRealizedUponSettlement	0.50
CY2019	mrcy	Product Warranty Term ProductWarrantyTerm	P12M
CY2018Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1336000	USD
CY2017Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1691000	USD
CY2016Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1523000	USD
CY2019	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	2274000	USD
CY2018	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	1318000	USD
CY2017	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	1328000	USD
CY2019	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	1909000	USD
CY2018	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	1790000	USD
CY2017	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	1366000	USD
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
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
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41986000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	669000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	752000	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1032000	shares
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
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43018000	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
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	16000	shares
CY2019Q1	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	36500000	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
CY2017Q2	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-93000	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
CY2017Q2	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	220000	USD
CY2019Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	69630000	USD
CY2019Q2	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	84561000	USD
CY2018Q2	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	61748000	USD
CY2019Q2	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	38525000	USD
CY2018Q2	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	30841000	USD
CY2019Q2	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	14026000	USD
CY2018Q2	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	15996000	USD
CY2019Q2	us-gaap	Inventory Net InventoryNet	137112000	USD
CY2018Q2	us-gaap	Inventory Net InventoryNet	108585000	USD
CY2019Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	112962000	USD
CY2018Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	94717000	USD
CY2019Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	60001000	USD
CY2018Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	50980000	USD
CY2019	us-gaap	Property Plant And Equipment Gross Period Increase Decrease PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease	9021000	USD
CY2019	us-gaap	Depreciation Depreciation	18478000	USD
CY2018	us-gaap	Depreciation Depreciation	16273000	USD
CY2019	mrcy	Increase Decrease In Inventories Including Assets Acquired IncreaseDecreaseInInventoriesIncludingAssetsAcquired	28527000	USD
CY2019Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	172963000	USD
CY2018Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	145697000	USD
CY2017	us-gaap	Depreciation Depreciation	12589000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	24020000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	20869000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	81237000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	206124000	USD
CY2018Q2	us-gaap	Goodwill Goodwill	497442000	USD
CY2019Q2	us-gaap	Goodwill Goodwill	562146000	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
CY2018Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	243488000	USD
CY2018Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	65584000	USD
CY2018Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	177904000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	27606000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	26390000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	26002000	USD
CY2019	mrcy	Restructuring Charges Net RestructuringChargesNet	560000	USD
CY2018	us-gaap	Other Restructuring Costs OtherRestructuringCosts	3159000	USD
CY2019	us-gaap	Restructuring And Related Cost Number Of Positions Eliminated RestructuringAndRelatedCostNumberOfPositionsEliminated	38	position
CY2017	us-gaap	Other Restructuring Costs OtherRestructuringCosts	1042000	USD
CY2018	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	-252000	USD
CY2018Q2	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	1801000	USD
CY2017Q2	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	1365000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	3411000	USD
CY2018	us-gaap	Payments For Restructuring PaymentsForRestructuring	2723000	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
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
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	30499000	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
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	569000	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
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	31068000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	11454000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	4470000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	11476000	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
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-7645000	USD
CY2019	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	8446000	USD
CY2018	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-57000	USD
CY2017	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	3831000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5194000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2370000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3650000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-537000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1684000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment	0.045
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment	0.051
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment	0.061
CY2019	mrcy	Effective Income Tax Rate Reconciliation Excess Tax Benefits On Stock Compensation Percent EffectiveIncomeTaxRateReconciliationExcessTaxBenefitsOnStockCompensationPercent	0.045
CY2018	mrcy	Effective Income Tax Rate Reconciliation Excess Tax Benefits On Stock Compensation Percent EffectiveIncomeTaxRateReconciliationExcessTaxBenefitsOnStockCompensationPercent	0.185
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1421000	USD
CY2017	mrcy	Effective Income Tax Rate Reconciliation Excess Tax Benefits On Stock Compensation Percent EffectiveIncomeTaxRateReconciliationExcessTaxBenefitsOnStockCompensationPercent	0.131
CY2017	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	396000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12752000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1690000	USD
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
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
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
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.049
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
CY2017	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	1966000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	546000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	186000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	240000	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
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	156000	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
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6193000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	0.020
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	0.039
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	-0.019
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.001
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.001
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.003
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.002
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.020
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.017
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.018
CY2019	mrcy	Effective Income Tax Rate Reconciliation Acquisition Costs EffectiveIncomeTaxRateReconciliationAcquisitionCosts	0.001
CY2018	mrcy	Effective Income Tax Rate Reconciliation Acquisition Costs EffectiveIncomeTaxRateReconciliationAcquisitionCosts	0.014
CY2017	mrcy	Effective Income Tax Rate Reconciliation Acquisition Costs EffectiveIncomeTaxRateReconciliationAcquisitionCosts	0.009
CY2019Q2	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	15510000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.014
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.009
CY2019	mrcy	Effective Income Tax Rate Reconciliation Changes In Contingent Consideration EffectiveIncomeTaxRateReconciliationChangesInContingentConsideration	-0.003
CY2018	mrcy	Effective Income Tax Rate Reconciliation Changes In Contingent Consideration EffectiveIncomeTaxRateReconciliationChangesInContingentConsideration	-0.003
CY2017	mrcy	Effective Income Tax Rate Reconciliation Changes In Contingent Consideration EffectiveIncomeTaxRateReconciliationChangesInContingentConsideration	0.006
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.023
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
CY2019	mrcy	Effective Income Tax Rate Reconciliation Acquired Tax Attributes EffectiveIncomeTaxRateReconciliationAcquiredTaxAttributes	0
CY2018	mrcy	Effective Income Tax Rate Reconciliation Acquired Tax Attributes EffectiveIncomeTaxRateReconciliationAcquiredTaxAttributes	0.087
CY2017	mrcy	Effective Income Tax Rate Reconciliation Acquired Tax Attributes EffectiveIncomeTaxRateReconciliationAcquiredTaxAttributes	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.010
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.214
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.040
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.199
CY2019	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	2672000	USD
CY2018	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	7897000	USD
CY2019Q2	mrcy	Deferred Tax Assets Inventory Valuation And Receivable Allowances DeferredTaxAssetsInventoryValuationAndReceivableAllowances	10313000	USD
CY2018Q2	mrcy	Deferred Tax Assets Inventory Valuation And Receivable Allowances DeferredTaxAssetsInventoryValuationAndReceivableAllowances	8476000	USD
CY2019Q2	mrcy	Deferred Tax Assets Tax Deferred Expense Reservesand Accruals Employee Compensation DeferredTaxAssetsTaxDeferredExpenseReservesandAccrualsEmployeeCompensation	4644000	USD
CY2018Q2	mrcy	Deferred Tax Assets Tax Deferred Expense Reservesand Accruals Employee Compensation DeferredTaxAssetsTaxDeferredExpenseReservesandAccrualsEmployeeCompensation	3803000	USD
CY2019Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	4595000	USD
CY2018Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	3944000	USD
CY2018Q2	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	18784000	USD
CY2019Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	1128000	USD
CY2018Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	1085000	USD
CY2019Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	1561000	USD
CY2018Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	1561000	USD
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CY2018Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1565000	USD
CY2019Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	43084000	USD
CY2018Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	43265000	USD
CY2019Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	16666000	USD
CY2018Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	16992000	USD
CY2019Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	26418000	USD
CY2018Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	26273000	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	848000	USD
CY2018Q2	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	696000	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4927000	USD
CY2018Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4436000	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	38399000	USD
CY2018Q2	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	34546000	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	58000	USD
CY2018Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	230000	USD
CY2019Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	44232000	USD
CY2018Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	39908000	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	17814000	USD
CY2018Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	13635000	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	17814000	USD
CY2018Q2	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	13635000	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	17814000	USD
CY2018Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	13635000	USD
CY2018Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	998000	USD
CY2017Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	804000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	81000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	275000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	315000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	40000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1273000	USD
CY2018Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	998000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	1273000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	84000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	101000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	42000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	30000	USD
CY2019	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	8710000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	6534000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	7774000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	10205000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	8949000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	8280000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	7414000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	6496000	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
CY2019Q2	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	1737000	USD
CY2019	mrcy	Collateral Capital Stock CollateralCapitalStock	0.65
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	2350000	USD
CY2019	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	741000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	11601000	USD
CY2019	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	259000	USD
CY2018	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	-596000	USD
CY2019	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	4525000	USD
CY2018	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	3684000	USD
CY2017	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	3206000	USD
CY2019Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2019Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2017Q3	us-gaap	Sale Of Stock Number Of Shares Issued In Transaction SaleOfStockNumberOfSharesIssuedInTransaction	200000	shares
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
CY2019Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	241000	USD
CY2018Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	317000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	19422000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17314000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	15341000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	5263000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	5713000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	5874000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	14159000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	9467000	USD
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2019	mrcy	Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Individual Foreign Countries EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountries	654744000	USD
CY2019	mrcy	Revenues From Transactions With Other Geographic Locations Of Same Entity RevenuesFromTransactionsWithOtherGeographicLocationsOfSameEntity	0	USD
CY2019	us-gaap	Revenues Revenues	654744000	USD
CY2019Q2	us-gaap	Noncurrent Assets NoncurrentAssets	60001000	USD
CY2018	mrcy	Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Individual Foreign Countries EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountries	493184000	USD
CY2018	mrcy	Revenues From Transactions With Other Geographic Locations Of Same Entity RevenuesFromTransactionsWithOtherGeographicLocationsOfSameEntity	0	USD
CY2018	us-gaap	Revenues Revenues	493184000	USD
CY2018Q2	us-gaap	Noncurrent Assets NoncurrentAssets	50980000	USD
CY2017	mrcy	Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Individual Foreign Countries EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountries	408588000	USD
CY2017	mrcy	Revenues From Transactions With Other Geographic Locations Of Same Entity RevenuesFromTransactionsWithOtherGeographicLocationsOfSameEntity	0	USD
CY2017	us-gaap	Revenues Revenues	408588000	USD
CY2017Q2	us-gaap	Noncurrent Assets NoncurrentAssets	51643000	USD
CY2019	us-gaap	Revenues Revenues	654744000	USD
CY2018	us-gaap	Revenues Revenues	493184000	USD
CY2017	us-gaap	Revenues Revenues	408588000	USD
CY2019	us-gaap	Revenues Revenues	654744000	USD
CY2018	us-gaap	Revenues Revenues	493184000	USD
CY2017	us-gaap	Revenues Revenues	408588000	USD
CY2019	us-gaap	Revenues Revenues	654744000	USD
CY2018	us-gaap	Revenues Revenues	493184000	USD
CY2017	us-gaap	Revenues Revenues	408588000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	5905000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	16628000	USD
CY2017Q3	us-gaap	Revenues Revenues	144056000	USD
CY2017Q4	us-gaap	Revenues Revenues	159089000	USD
CY2018Q1	us-gaap	Revenues Revenues	174636000	USD
CY2018Q2	us-gaap	Revenues Revenues	176963000	USD
CY2017Q3	us-gaap	Gross Profit GrossProfit	61583000	USD
CY2017Q4	us-gaap	Gross Profit GrossProfit	70887000	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	73847000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	79839000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	13810000	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	19861000	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	22062000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	20851000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	10608000	USD
CY2017Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	16866000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	19466000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	12587000	USD
CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3129000	USD
CY2017Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4483000	USD
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5357000	USD
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-217000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	7479000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	12383000	USD
CY2016Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-8381000	USD
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.29
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.25
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.26
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.26
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	14109000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	12804000	USD
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.26
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.30
CY2016Q3	us-gaap	Revenues Revenues	106069000	USD
CY2016Q4	us-gaap	Revenues Revenues	117912000	USD
CY2017Q1	us-gaap	Revenues Revenues	116336000	USD
CY2017Q2	us-gaap	Revenues Revenues	152867000	USD
CY2016Q3	us-gaap	Gross Profit GrossProfit	50674000	USD
CY2016Q4	us-gaap	Gross Profit GrossProfit	54160000	USD
CY2017Q1	us-gaap	Gross Profit GrossProfit	52766000	USD
CY2017Q2	us-gaap	Gross Profit GrossProfit	68258000	USD
CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	10371000	USD
CY2016Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	10888000	USD
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	6838000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	18888000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9572000	USD
CY2016Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	10468000	USD
CY2016Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1335000	USD
CY2017Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2209000	USD
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6527000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	17953000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	9133000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	3696000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	10101000	USD
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.39
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.20
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.08
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.22
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.38
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.19
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.21

Files In Submission

Name	View Source	Status
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mrcy-20190630.xsd	Edgar Link	pending
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mrcy6302019-exhibit1014.htm	Edgar Link	pending
mrcy6302019-exhibit108.htm	Edgar Link	pending
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$MRCY
MERCURY SYSTEMS INC Stock $mrcy

2018 Q2 Form 10-K Financial Statement

#000104952119000033 Filed on August 15, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MRCY MERCURY SYSTEMS INC Stock $mrcy

2018 Q2 Form 10-K Financial Statement

#000104952119000033 Filed on August 15, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MRCY
MERCURY SYSTEMS INC Stock $mrcy