$CSGP
COSTAR GROUP, INC. Stock $csgp

$csgp Overview Financials Valuation SEC Filings Company Website

2018 Q2 Form 10-Q Financial Statement

#000105735218000082 Filed on July 25, 2018

Income Statement

Concept	2018 Q2	2017 Q2
Revenue	$297.0M	$237.2M
YoY Change	25.24%	14.64%
Cost Of Revenue	$67.14M	$55.27M
YoY Change	21.46%	29.51%
Gross Profit	$229.9M	$181.9M
YoY Change	26.39%	10.77%
Gross Profit Margin	77.4%	76.69%
Selling, General & Admin	$151.0M	$126.3M
YoY Change	19.59%	14.08%
% of Gross Profit	65.7%	69.43%
Research & Development	$26.27M	$23.14M
YoY Change	13.51%	18.4%
% of Gross Profit	11.43%	12.72%
Depreciation & Amortization	$20.60M	$15.90M
YoY Change	29.56%	168.4%
% of Gross Profit	8.96%	8.74%
Operating Expenses	$186.1M	$154.0M
YoY Change	20.85%	13.17%
Operating Profit	$43.77M	$27.88M
YoY Change	56.99%	-0.84%
Interest Expense	$728.0K	$2.693M
YoY Change	-72.97%	9.69%
% of Operating Profit	1.66%	9.66%
Other Income/Expense, Net	$0.00	-$2.000M
YoY Change	-100.0%	17.65%
Pretax Income	$45.70M	$25.80M
YoY Change	77.16%	-0.11%
Income Tax	$1.863M	$3.611M
% Of Pretax Income	4.08%	14.0%
Net Earnings	$43.84M	$22.18M
YoY Change	97.6%	42.42%
Net Earnings / Revenue	14.76%	9.35%
Basic Earnings Per Share	$1.22	$0.68
Diluted Earnings Per Share	$1.20	$0.68
COMMON SHARES
Basic Shares Outstanding	36.07M shares	32.41M shares
Diluted Shares Outstanding	36.45M shares	32.74M shares

Balance Sheet

Concept	2018 Q2	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$966.3M	$564.6M
YoY Change	71.15%	21.34%
Cash & Equivalents	$966.3M	$564.6M
Short-Term Investments
Other Short-Term Assets	$39.70M	$19.80M
YoY Change	100.51%	53.49%
Inventory
Prepaid Expenses
Receivables	$69.98M	$51.51M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$1.076B	$636.0M
YoY Change	69.18%	21.32%
LONG-TERM ASSETS
Property, Plant & Equipment	$84.65M	$85.78M
YoY Change	-1.32%	-0.84%
Goodwill	$1.550B	$1.280B
YoY Change	21.03%	1.86%
Intangibles	$299.6M	$198.1M
YoY Change	51.24%	-9.34%
Long-Term Investments	$10.10M	$10.00M
YoY Change	1.0%	1.01%
Other Assets	$87.90M	$9.900M
YoY Change	787.88%	-11.61%
Total Long-Term Assets	$2.047B	$1.584B
YoY Change	29.2%	0.06%
TOTAL ASSETS
Total Short-Term Assets	$1.076B	$636.0M
Total Long-Term Assets	$2.047B	$1.584B
Total Assets	$3.123B	$2.220B
YoY Change	40.66%	5.35%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$9.394M	$16.69M
YoY Change	-43.73%	18.92%
Accrued Expenses	$37.34M	$36.20M
YoY Change	3.15%	-6.14%
Deferred Revenue	$46.34M
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due		$21.95M
YoY Change		85.79%
Total Short-Term Liabilities	$145.9M	$150.9M
YoY Change	-3.3%	13.6%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$282.9M
YoY Change	-100.0%	-12.94%
Other Long-Term Liabilities	$63.20M	$49.30M
YoY Change	28.19%	-11.96%
Total Long-Term Liabilities	$63.20M	$282.9M
YoY Change	-77.66%	-12.94%
TOTAL LIABILITIES
Total Short-Term Liabilities	$145.9M	$150.9M
Total Long-Term Liabilities	$63.20M	$282.9M
Total Liabilities	$272.0M	$503.3M
YoY Change	-45.96%	-3.45%
SHAREHOLDERS EQUITY
Retained Earnings	$471.2M
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.851B	$1.717B
YoY Change
Total Liabilities & Shareholders Equity	$3.123B	$2.220B
YoY Change	40.66%	5.35%

Cashflow Statement

Concept	2018 Q2	2017 Q2
OPERATING ACTIVITIES
Net Income	$43.84M	$22.18M
YoY Change	97.6%	42.42%
Depreciation, Depletion And Amortization	$20.60M	$15.90M
YoY Change	29.56%	168.4%
Cash From Operating Activities	$46.30M	$30.80M
YoY Change	50.32%	-20.62%
INVESTING ACTIVITIES
Capital Expenditures	-$7.300M	-$6.600M
YoY Change	10.61%	83.33%
Acquisitions
YoY Change
Other Investing Activities	$0.00	-$31.40M
YoY Change	-100.0%	204.85%
Cash From Investing Activities	-$7.200M	-$37.90M
YoY Change	-81.0%	172.66%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-3.400M	-1.300M
YoY Change	161.54%	-94.06%
NET CHANGE
Cash From Operating Activities	46.30M	30.80M
Cash From Investing Activities	-7.200M	-37.90M
Cash From Financing Activities	-3.400M	-1.300M
Net Change In Cash	35.70M	-8.400M
YoY Change	-525.0%	-380.0%
FREE CASH FLOW
Cash From Operating Activities	$46.30M	$30.80M
Capital Expenditures	-$7.300M	-$6.600M
Free Cash Flow	$53.60M	$37.40M
YoY Change	43.32%	-11.79%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2017Q2	csgp	Amortization Of Intangible Assets Costof Revenue AmortizationOfIntangibleAssetsCostofRevenue	4770000	USD
	csgp	Amortization Of Intangible Assets Costof Revenue AmortizationOfIntangibleAssetsCostofRevenue	10889000	USD
CY2018Q2	csgp	Amortization Of Intangible Assets Costof Revenue AmortizationOfIntangibleAssetsCostofRevenue	5324000	USD
	csgp	Amortization Of Intangible Assets Costof Revenue AmortizationOfIntangibleAssetsCostofRevenue	9932000	USD
CY2017Q2	csgp	Amortization Of Intangible Assets Net Of Adjustments AmortizationOfIntangibleAssetsNetOfAdjustments	4570000	USD
	csgp	Amortization Of Intangible Assets Net Of Adjustments AmortizationOfIntangibleAssetsNetOfAdjustments	9344000	USD
CY2018Q2	csgp	Amortization Of Intangible Assets Net Of Adjustments AmortizationOfIntangibleAssetsNetOfAdjustments	8816000	USD
	csgp	Amortization Of Intangible Assets Net Of Adjustments AmortizationOfIntangibleAssetsNetOfAdjustments	14619000	USD
CY2018Q1	csgp	Contractwith Customer Asset Adoptionof New Accounting Principle ContractwithCustomerAssetAdoptionofNewAccountingPrinciple	1716000	USD
	csgp	Contractwith Customer Liability New Deferrals Netof Amounts Recognizedin Current Period ContractwithCustomerLiabilityNewDeferralsNetofAmountsRecognizedinCurrentPeriod	39879000	USD
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	86000	shares
CY2017Q4	csgp	Deferredgainonthesaleofbuildingcurrent Deferredgainonthesaleofbuildingcurrent	2523000	USD
CY2018Q2	csgp	Deferredgainonthesaleofbuildingcurrent Deferredgainonthesaleofbuildingcurrent	2523000	USD
	csgp	Increase Decrease Deferred Commissions IncreaseDecreaseDeferredCommissions	0	USD
	csgp	Increase Decrease Deferred Commissions IncreaseDecreaseDeferredCommissions	-29554000	USD
CY2017Q2	csgp	Netincomelossbeforeinterestandotherincomeexpenseincometaxesdepreciationandamortization Ebitda NetincomelossbeforeinterestandotherincomeexpenseincometaxesdepreciationandamortizationEBITDA	43743000	USD
	csgp	Netincomelossbeforeinterestandotherincomeexpenseincometaxesdepreciationandamortization Ebitda NetincomelossbeforeinterestandotherincomeexpenseincometaxesdepreciationandamortizationEBITDA	98703000	USD
CY2018Q2	csgp	Netincomelossbeforeinterestandotherincomeexpenseincometaxesdepreciationandamortization Ebitda NetincomelossbeforeinterestandotherincomeexpenseincometaxesdepreciationandamortizationEBITDA	64358000	USD
	csgp	Netincomelossbeforeinterestandotherincomeexpenseincometaxesdepreciationandamortization Ebitda NetincomelossbeforeinterestandotherincomeexpenseincometaxesdepreciationandamortizationEBITDA	134786000	USD
	csgp	Proceeds From Exercise Of Stock Options And Espp ProceedsFromExerciseOfStockOptionsAndEspp	7683000	USD
	csgp	Proceeds From Exercise Of Stock Options And Espp ProceedsFromExerciseOfStockOptionsAndEspp	14214000	USD
	csgp	Subscription Based Licensing Agreement Minimum Term Years SubscriptionBasedLicensingAgreementMinimumTermYears	P1Y
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
	dei	Document Period End Date DocumentPeriodEndDate	2018-06-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0001057352
CY2018Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	36391084	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	COSTAR GROUP INC
CY2017Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	9262000	USD
CY2018Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	9394000	USD
CY2017Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	60900000	USD
CY2018Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	69984000	USD
CY2018Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	59033000	USD
CY2017Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	8166000	USD
CY2018Q2	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	94000	USD
CY2017Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	13354000	USD
CY2018Q2	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	16046000	USD
CY2017Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	22193000	USD
CY2018Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	37343000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-730000	USD
CY2018Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-730000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-8290000	USD
CY2018Q2	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-9398000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-9020000	USD
CY2018Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-10128000	USD
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	22394000	USD
CY2017Q1	us-gaap	Advertising Expense AdvertisingExpense	62000000	USD
CY2017Q2	us-gaap	Advertising Expense AdvertisingExpense	38000000	USD
CY2018Q1	us-gaap	Advertising Expense AdvertisingExpense	70000000	USD
CY2018Q2	us-gaap	Advertising Expense AdvertisingExpense	47000000	USD
CY2017Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10103000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	19460000	USD
CY2018Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	11228000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	21640000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	6469000	USD
CY2018Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	5065000	USD
	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	0	USD
CY2018Q2	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	12000000	USD
	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	24275000	USD
	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	24000000	USD
CY2017Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	877000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2000000	USD
CY2018Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	710000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1000000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1487000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	436000	USD
CY2017Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4570000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9344000	USD
CY2018Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8816000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14619000	USD
CY2017Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	86000	shares
CY2018Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	85000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	85000	shares
CY2017Q4	us-gaap	Assets Assets	2873441000	USD
CY2018Q2	us-gaap	Assets Assets	3122574000	USD
CY2017Q4	us-gaap	Assets Current AssetsCurrent	1287935000	USD
CY2018Q2	us-gaap	Assets Current AssetsCurrent	1075985000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	0	USD
CY2018Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	0	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	730000	USD
CY2018Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	730000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	10800000	USD
CY2018Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	10800000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	0	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	0	USD
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CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	10070000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	0	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	10070000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	10070000	USD
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	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	0.92
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CY2017Q2	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	0.42
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	0.91
CY2018Q2	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.40
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	2.85
CY2017Q2	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	13963000	USD
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	29932000	USD
CY2018Q2	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	50992000	USD
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	103831000	USD
CY2017Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	564638000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1211463000	USD
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	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-245185000	USD
CY2017Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	24015000	USD
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CY2018Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	41776000	USD
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CY2018Q2	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	5000000	USD
CY2017Q2	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	263103000	USD
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CY2018Q1	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	2000000	USD
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	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	37508000	USD
CY2017Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	55273000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	106619000	USD
CY2018Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	67136000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	129613000	USD
CY2017Q4	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	54464000	USD
CY2017Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	10070000	USD
CY2018Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	10070000	USD
CY2017Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	730000	USD
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CY2017Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	0	USD
CY2018Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	0	USD
CY2017Q2	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	USD
CY2018Q2	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	USD
CY2017Q2	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	USD
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	USD
CY2018Q2	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	USD
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	USD
CY2017Q4	us-gaap	Deferred Costs DeferredCosts	0	USD
CY2018Q2	us-gaap	Deferred Costs DeferredCosts	76159000	USD
CY2018Q1	us-gaap	Deferred Costs DeferredCosts	71118000	USD
CY2017Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	4000000	USD
CY2018Q2	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	4000000	USD
CY2017Q4	us-gaap	Deferred Gain On Sale Of Property DeferredGainOnSaleOfProperty	16192000	USD
CY2018Q2	us-gaap	Deferred Gain On Sale Of Property DeferredGainOnSaleOfProperty	14930000	USD
CY2017Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	5431000	USD
CY2018Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	4046000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3434000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4291000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	12070000	USD
CY2018Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	62830000	USD
CY2018Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	30440000	USD
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CY2018Q2	us-gaap	Deferred Rent Credit Current DeferredRentCreditCurrent	4632000	USD
CY2017Q4	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	33909000	USD
CY2018Q2	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	32230000	USD
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	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	33158000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	37567000	USD
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	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.37
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.22
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.67
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.68
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.36
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.20
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.64
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	567000	USD
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	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.05
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CY2018Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	45593000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	0	USD
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CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	0	USD
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CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	9952000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	9952000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	9952000	USD
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	10070000	USD
CY2018Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	10070000	USD
CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	10070000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	182892000	USD
CY2018Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	299611000	USD
CY2017Q2	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	0	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	0	USD
CY2018Q2	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	0	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	0	USD
CY2017Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	34557000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	68552000	USD
CY2018Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	38056000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	78646000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	1254866000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	1283457000	USD
CY2018Q2	us-gaap	Goodwill Goodwill	1549517000	USD
CY2017	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	25717000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	266720000	USD
CY2017	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	2874000	USD
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-660000	USD
CY2017Q2	us-gaap	Gross Profit GrossProfit	181880000	USD
	us-gaap	Gross Profit GrossProfit	357087000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	229882000	USD
	us-gaap	Gross Profit GrossProfit	441123000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	25795000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	61200000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	45698000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	101440000	USD
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3611000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16886000	USD
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1863000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5374000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	26241000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	24776000	USD
CY2017Q4	us-gaap	Income Taxes Receivable Noncurrent IncomeTaxesReceivableNoncurrent	12981000	USD
CY2018Q2	us-gaap	Income Taxes Receivable Noncurrent IncomeTaxesReceivableNoncurrent	14878000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	605000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-16619000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	5177000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	5089000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	3723000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	2546000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-103000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-1444000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	7887000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	17655000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1831000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2242000	USD
CY2017Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	333000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	310000	shares
CY2018Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	377000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	417000	shares
CY2017Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	182892000	USD
CY2018Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	299611000	USD
CY2017Q2	us-gaap	Interest Expense InterestExpense	2693000	USD
	us-gaap	Interest Expense InterestExpense	5379000	USD
CY2018Q2	us-gaap	Interest Expense InterestExpense	728000	USD
	us-gaap	Interest Expense InterestExpense	1418000	USD
CY2017Q1	us-gaap	Interest Expense Debt InterestExpenseDebt	5000000	USD
CY2017Q2	us-gaap	Interest Expense Debt InterestExpenseDebt	3000000	USD
	us-gaap	Interest Paid InterestPaid	3890000	USD
	us-gaap	Interest Paid InterestPaid	381000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	222191000	USD
CY2018Q2	us-gaap	Liabilities Liabilities	271956000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2873441000	USD
CY2018Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3122574000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	146666000	USD
CY2018Q2	us-gaap	Liabilities Current LiabilitiesCurrent	145920000	USD
CY2017Q4	us-gaap	Long Term Investments LongTermInvestments	10070000	USD
CY2018Q2	us-gaap	Long Term Investments LongTermInvestments	10070000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-40773000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-8180000	USD
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	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	95363000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	119317000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	22184000	USD
	us-gaap	Net Income Loss NetIncomeLoss	44314000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	43835000	USD
	us-gaap	Net Income Loss NetIncomeLoss	96066000	USD
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	operating_segments
CY2017Q2	us-gaap	Operating Expenses OperatingExpenses	153997000	USD
	us-gaap	Operating Expenses OperatingExpenses	291542000	USD
CY2018Q2	us-gaap	Operating Expenses OperatingExpenses	186108000	USD
	us-gaap	Operating Expenses OperatingExpenses	343904000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	27883000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	65545000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	43774000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	97219000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1831000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2242000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2059000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1108000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2059000	USD
	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	0	USD
	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	36366000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	13456000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	45068000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	22394000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1108000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	USD
CY2017Q2	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	6520000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	12925000	USD
CY2018Q2	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	6444000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	13016000	USD
CY2017Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	605000	USD
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1034000	USD
CY2018Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	2652000	USD
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	5639000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	340074000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	12674000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	15851000	USD
CY2017Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	15572000	USD
CY2018Q2	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	39723000	USD
CY2018Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	17439000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	84496000	USD
CY2018Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	84648000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	2349000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	2857000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	35000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2017Q2	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	23144000	USD
	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	45518000	USD
CY2018Q2	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	26271000	USD
	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	49184000	USD
CY2018Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	471186000	USD
CY2018Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	375120000	USD
CY2017Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	237153000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	463706000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	297018000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	570736000	USD
CY2017Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	237153000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	463706000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	297018000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	570736000	USD
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	89000000	USD
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P3Y
CY2018Q2	us-gaap	Sales Commissions And Fees SalesCommissionsAndFees	16781000	USD
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	32651000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	32739000	shares
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	21470000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	11589000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	2651250000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	2850618000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest Adjusted Balance1 StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	2705714000	USD
	us-gaap	Sales Commissions And Fees SalesCommissionsAndFees	36119000	USD
CY2017Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	91726000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	168128000	USD
CY2018Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	112965000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	201455000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	19460000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	21640000	USD
CY2017Q2	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	69993	shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	78283	shares
CY2018Q2	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	11984	shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	122775	shares
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	36366000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2915000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	USD
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36450000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36400000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	32406000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	32341000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36073000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35983000	shares
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Cost of Revenues</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Cost of revenues principally consists of salaries, benefits, bonuses and stock-based compensation expenses for the Company's researchers who collect and analyze the commercial real estate data that is the basis for the Company's information, analytics and online marketplaces. Additionally, cost of revenues includes the cost of data from third-party data sources, credit card and other transactions fees relating to processing customer transactions, which are expensed as incurred, and the amortization of acquired trade names and other intangible assets and database technology.</font></div></div>
	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">ORGANIZATION</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;"> </font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">CoStar Group, Inc. (the “Company” or “CoStar”) provides information, analytics and online marketplace services to the commercial real estate and related business community through its comprehensive, proprietary database of commercial real estate information covering the United States (“U.S.”), the United Kingdom (“U.K.”), and parts of Canada, Spain, Germany and France. The Company also provides online marketplaces for commercial real estate, apartment rentals, lands for sale and businesses for sale. The Company operates within </font><font style="font-family:inherit;font-size:10pt;">two</font><font style="font-family:inherit;font-size:10pt;"> operating segments, North America and International, and its services are typically distributed to its clients under subscription-based license agreements that renew automatically, a majority of which have a term of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">one year</font><font style="font-family:inherit;font-size:10pt;">.</font></div></div>
	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. On an ongoing basis, the Company evaluates its estimates and assumptions, including those related to revenue recognition, allowance for doubtful accounts, useful lives of property and equipment, intangible assets and deferred commissions, recoverability of long-lived assets and intangible assets with definite lives, goodwill, income taxes, fair value of equity instruments, fair value of auction rate securities (“ARS”), accounting for business combinations and loss contingencies, among others. The Company bases these estimates on historical and anticipated results, trends, and various other assumptions that it believes are reasonable, including assumptions as to future events. These estimates form the basis for making judgments about the carrying values of assets and liabilities and recorded revenues and expenses. Actual results could differ from these estimates.</font></div></div>

Files In Submission

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$CSGP
COSTAR GROUP, INC. Stock $csgp

2018 Q2 Form 10-Q Financial Statement

#000105735218000082 Filed on July 25, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CSGP COSTAR GROUP, INC. Stock $csgp

2018 Q2 Form 10-Q Financial Statement

#000105735218000082 Filed on July 25, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CSGP
COSTAR GROUP, INC. Stock $csgp