$CSGP
COSTAR GROUP, INC. Stock $csgp

$csgp Overview Financials Valuation SEC Filings Company Website

2013 Q2 Form 10-Q Financial Statement

#000105735213000048 Filed on July 24, 2013

Income Statement

Concept	2013 Q2	2012 Q2
Revenue	$109.0M	$85.22M
YoY Change	27.9%	37.18%
Cost Of Revenue	$32.10M	$28.17M
YoY Change	13.95%	25.7%
Gross Profit	$76.90M	$57.05M
YoY Change	34.79%	43.65%
Gross Profit Margin	70.55%	66.94%
Selling, General & Admin	$46.23M	$45.51M
YoY Change	1.6%	51.06%
% of Gross Profit	60.12%	79.77%
Research & Development	$11.49M	$7.977M
YoY Change	44.01%	55.35%
% of Gross Profit	14.94%	13.98%
Depreciation & Amortization	$3.129M	$2.446M
YoY Change	27.92%	3.91%
% of Gross Profit	4.07%	4.29%
Operating Expenses	$61.62M	$57.06M
YoY Change	7.98%	59.37%
Operating Profit	$15.28M	-$13.00K
YoY Change	-117661.54%	-100.33%
Interest Expense	$1.758M	$1.200M
YoY Change	46.5%	500.0%
% of Operating Profit	11.5%
Other Income/Expense, Net	-$1.000M	-$700.0K
YoY Change	42.86%
Pretax Income	$25.33M	$8.171M
YoY Change	210.02%	14.81%
Income Tax	$5.315M	$5.628M
% Of Pretax Income	20.98%	68.88%
Net Earnings	$8.293M	-$6.710M
YoY Change	-223.59%	-354.46%
Net Earnings / Revenue	7.61%	-7.87%
Basic Earnings Per Share	$0.30	-$0.25
Diluted Earnings Per Share	$0.29	-$0.25
COMMON SHARES
Basic Shares Outstanding	27.64M shares	26.47M shares
Diluted Shares Outstanding	28.17M shares	26.47M shares

Balance Sheet

Concept	2013 Q2	2012 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$190.1M	$104.2M
YoY Change	82.44%	-81.1%
Cash & Equivalents	$190.1M	$103.3M
Short-Term Investments	$0.00	$800.0K
Other Short-Term Assets	$28.00M	$30.20M
YoY Change	-7.28%	128.79%
Inventory
Prepaid Expenses
Receivables	$24.81M	$19.52M
Other Receivables	$1.800M	$5.800M
Total Short-Term Assets	$244.7M	$159.6M
YoY Change	53.31%	-72.41%
LONG-TERM ASSETS
Property, Plant & Equipment	$49.69M	$43.23M
YoY Change	14.96%	16.51%
Goodwill	$716.6M	$717.2M
YoY Change	-0.09%
Intangibles	$157.1M	$186.0M
YoY Change	-15.52%
Long-Term Investments	$21.70M	$25.00M
YoY Change	-13.2%	-13.79%
Other Assets	$7.200M	$10.30M
YoY Change	-30.1%	-32.24%
Total Long-Term Assets	$952.3M	$981.7M
YoY Change	-2.99%	447.51%
TOTAL ASSETS
Total Short-Term Assets	$244.7M	$159.6M
Total Long-Term Assets	$952.3M	$981.7M
Total Assets	$1.197B	$1.141B
YoY Change	4.88%	50.59%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$4.450M	$6.307M
YoY Change	-29.44%	53.83%
Accrued Expenses	$23.32M	$18.78M
YoY Change	24.18%	-35.01%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$19.69M	$10.94M
YoY Change	80.0%
Total Short-Term Liabilities	$102.7M	$85.26M
YoY Change	20.49%	41.63%
LONG-TERM LIABILITIES
Long-Term Debt	$142.2M	$161.9M
YoY Change	-12.16%
Other Long-Term Liabilities	$0.00	$926.0K
YoY Change	-100.0%	-98.21%
Total Long-Term Liabilities	$142.2M	$162.8M
YoY Change	-12.66%	214.29%
TOTAL LIABILITIES
Total Short-Term Liabilities	$102.7M	$85.26M
Total Long-Term Liabilities	$142.2M	$162.8M
Total Liabilities	$330.4M	$338.7M
YoY Change	-2.44%	202.41%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$866.6M	$802.6M
YoY Change
Total Liabilities & Shareholders Equity	$1.197B	$1.141B
YoY Change	4.88%	50.59%

Cashflow Statement

Concept	2013 Q2	2012 Q2
OPERATING ACTIVITIES
Net Income	$8.293M	-$6.710M
YoY Change	-223.59%	-354.46%
Depreciation, Depletion And Amortization	$3.129M	$2.446M
YoY Change	27.92%	3.91%
Cash From Operating Activities	$30.90M	$24.20M
YoY Change	27.69%	218.42%
INVESTING ACTIVITIES
Capital Expenditures	-$4.300M	-$3.100M
YoY Change	38.71%	-24.39%
Acquisitions
YoY Change
Other Investing Activities	$0.00	-$631.7M
YoY Change	-100.0%	-315950.0%
Cash From Investing Activities	-$4.200M	-$634.8M
YoY Change	-99.34%	16176.92%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-3.800M	164.9M
YoY Change	-102.3%	-34.46%
NET CHANGE
Cash From Operating Activities	30.90M	24.20M
Cash From Investing Activities	-4.200M	-634.8M
Cash From Financing Activities	-3.800M	164.9M
Net Change In Cash	22.90M	-445.7M
YoY Change	-105.14%	-274.58%
FREE CASH FLOW
Cash From Operating Activities	$30.90M	$24.20M
Capital Expenditures	-$4.300M	-$3.100M
Free Cash Flow	$35.20M	$27.30M
YoY Change	28.94%	133.33%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8019000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4214000	USD
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	6234000	USD
CY2013Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	4450000	USD
CY2012Q4	us-gaap	Accounts Payable Related Parties Current And Noncurrent AccountsPayableRelatedPartiesCurrentAndNoncurrent	-67167000	USD
CY2013Q2	us-gaap	Accounts Payable Related Parties Current And Noncurrent AccountsPayableRelatedPartiesCurrentAndNoncurrent	-67930000	USD
CY2012Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	16392000	USD
CY2013Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	24808000	USD
CY2013Q2	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	-77599000	USD
CY2012Q4	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	-73399000	USD
CY2013Q2	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	60000	USD
CY2012Q2	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	61000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	186000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	61000	USD
CY2013Q1	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	126000	USD
CY2012	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	293000	USD
CY2012Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	2818000	USD
CY2013Q2	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	2865000	USD
CY2013Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	23322000	USD
CY2012Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	19002000	USD
CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1842000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1513000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1513000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	472000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1236000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	199000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1630000	USD
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	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-990000	USD
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CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-4613000	USD
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CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-8087000	USD
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	7032000	USD
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	14298000	USD
CY2013Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7156000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4928000	USD
CY2012Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2741000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	24482000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2935000	USD
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	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2013Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2012Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2012Q4	us-gaap	Assets Assets	1165139000	USD
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CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	21156000	USD
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CY2013Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	0	USD
CY2013Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	606000	USD
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CY2013Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	21675000	USD
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	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	0	USD
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	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	8530000	USD
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	us-gaap	Depreciation Depreciation	5917000	USD
	us-gaap	Depreciation Depreciation	4472000	USD
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	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-6119000	USD
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CY2013Q2	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	19670000	USD
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	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6143000	USD
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	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.37
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CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
CY2012Q2	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	50000	USD
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CY2012Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	24976000	USD
CY2013Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	21675000	USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	21675000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	24534000	USD
CY2012Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	21662000	USD
CY2011Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	24584000	USD
CY2012Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	0	USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	1344000	USD
CY2013Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	1344000	USD
CY2012Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	2304000	USD
CY2013Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1086000	USD
CY2012Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	2072000	USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1146000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0	USD
CY2011Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	170632000	USD
CY2013Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	157126000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	39985000	USD
CY2013Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	22697000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	52517000	USD
CY2012Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	25491000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	718078000	USD
CY2013Q2	us-gaap	Goodwill Goodwill	716580000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	91784000	USD
CY2012	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	625174000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	10868000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	5502000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	9485000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1329000	USD
	us-gaap	Goodwill Translation Adjustments GoodwillTranslationAdjustments	-1498000	USD
CY2012	us-gaap	Goodwill Translation Adjustments GoodwillTranslationAdjustments	1120000	USD
CY2013Q2	us-gaap	Gross Profit GrossProfit	76898000	USD
	us-gaap	Gross Profit GrossProfit	101346000	USD
CY2012Q2	us-gaap	Gross Profit GrossProfit	57051000	USD
	us-gaap	Gross Profit GrossProfit	147325000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	25332000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	32900000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	20093000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8171000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9359000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-1082000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	13608000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	7770000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9348000	USD
CY2013Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5315000	USD
CY2012Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5628000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3476000	USD
CY2012Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	5357000	USD
CY2013Q2	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	1796000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	1968000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	1728000	USD
CY2013Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	157126000	USD
CY2012Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	170632000	USD
	us-gaap	Interest Expense InterestExpense	1200000	USD
	us-gaap	Interest Expense InterestExpense	3513000	USD
CY2013Q2	us-gaap	Interest Expense InterestExpense	1758000	USD
CY2012Q2	us-gaap	Interest Expense InterestExpense	1200000	USD
	us-gaap	Interest Paid InterestPaid	727000	USD
	us-gaap	Interest Paid InterestPaid	2032000	USD
CY2012Q2	us-gaap	Interest Paid InterestPaid	727000	USD
CY2013Q2	us-gaap	Interest Paid InterestPaid	661000	USD
CY2013Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	83000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	187000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	381000	USD
CY2012Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	131000	USD
CY2013Q2	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	-18344000	USD
CY2012Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	-18344000	USD
CY2013Q2	us-gaap	Liabilities Liabilities	330422000	USD
CY2012Q4	us-gaap	Liabilities Liabilities	338796000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1165139000	USD
CY2013Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1197018000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	101638000	USD
CY2013Q2	us-gaap	Liabilities Current LiabilitiesCurrent	102735000	USD
CY2013Q2	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	0	USD
CY2012Q4	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	0	USD
CY2013Q2	us-gaap	Long Term Debt Current LongTermDebtCurrent	19688000	USD
CY2012Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	17500000	USD
CY2013Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	142187000	USD
CY2012Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	153125000	USD
CY2012Q4	us-gaap	Long Term Investments LongTermInvestments	21662000	USD
CY2013Q2	us-gaap	Long Term Investments LongTermInvestments	21675000	USD
CY2011Q2	us-gaap	Loss Contingency Estimate Of Possible Loss LossContingencyEstimateOfPossibleLoss	200000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1569000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-17000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	63000	USD
	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></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 marketing services to the commercial real estate and related business community through its comprehensive, proprietary database of commercial real estate information co</font><font style="font-family:inherit;font-size:10pt;">vering the United States (“U.S.”) and parts of the United Kingdom ("U.K.") and France, as well as its complementary online marketplace of commercial real estate listings. The Company operates within </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">two</font><font style="font-family:inherit;font-size:10pt;"> operating segments, U.S. and </font><font style="font-family:inherit;font-size:10pt;">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	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	164059000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1361000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-8834000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-636578000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	41567000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	30578000	USD
CY2013Q2	us-gaap	Net Income Loss NetIncomeLoss	8293000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-1578000	USD
	us-gaap	Net Income Loss NetIncomeLoss	5883000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	-6710000	USD
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	operating_segments
CY2012Q2	us-gaap	Operating Expenses OperatingExpenses	57064000	USD
CY2013Q2	us-gaap	Operating Expenses OperatingExpenses	61615000	USD
	us-gaap	Operating Expenses OperatingExpenses	134640000	USD
	us-gaap	Operating Expenses OperatingExpenses	92757000	USD
CY2012Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-13000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	12685000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	8589000	USD
CY2013Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	15283000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	8000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1632000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-662000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	272000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	8000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-679000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	217000	USD
CY2013Q2	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	8452000	USD
CY2012Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	9560000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1344000	USD
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<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;">Reclassifications </font></div><div style="line-height:120%;text-align:justify;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;">Certain previously reported amounts in the condensed consolidated statements of operations and condensed consolidated statements of cash flows have been reclassified to conform to the Company’s current presentation.</font></div></div>
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	175000000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1030000	USD
CY2013Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	0	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	11546000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2240000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7204000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	640929000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	8912000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	6117000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	10468000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	78000	USD
CY2013Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	49693000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	46308000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1043000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	975000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2187000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	8750000	USD
CY2013Q2	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	11488000	USD
	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	23590000	USD
CY2012Q2	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	7977000	USD
	us-gaap	Research And Development Expense Software Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost	12992000	USD
CY2013Q2	us-gaap	Revenues Revenues	108999000	USD
CY2012Q2	us-gaap	Revenues Revenues	85223000	USD
	us-gaap	Revenues Revenues	213032000	USD
	us-gaap	Revenues Revenues	153852000	USD
CY2012Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	20016000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	35566000	USD
CY2013Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	23536000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	50514000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	24482000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	4928000	USD
CY2013Q2	us-gaap	Short Term Investments ShortTermInvestments	0	USD
CY2012Q4	us-gaap	Short Term Investments ShortTermInvestments	37000	USD
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	190039	shares
CY2012Q2	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	140273	shares
CY2013Q2	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	43509	shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	147840	shares
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	826343000	USD
CY2013Q2	us-gaap	Stockholders Equity StockholdersEquity	866596000	USD
CY2012Q2	us-gaap	Tax Benefit From Stock Options Exercised1 TaxBenefitFromStockOptionsExercised1	-465000	USD
	us-gaap	Tax Benefit From Stock Options Exercised1 TaxBenefitFromStockOptionsExercised1	9750000	USD
	us-gaap	Tax Benefit From Stock Options Exercised1 TaxBenefitFromStockOptionsExercised1	0	USD
CY2013Q2	us-gaap	Tax Benefit From Stock Options Exercised1 TaxBenefitFromStockOptionsExercised1	2445000	USD
CY2012Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	9556000	USD
CY2013Q2	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	8043000	USD
	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. Actual results could differ from those estimates.</font></div></div>
CY2012Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26465000	shares
CY2013Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	28168000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	28032000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	25797000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25797000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27532000	shares
CY2012Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26465000	shares
CY2013Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27636000	shares
CY2013Q2	csgp	Amortization Expense Capitalized Product Development Costs AmortizationExpenseCapitalizedProductDevelopmentCosts	48000	USD
	csgp	Amortization Expense Capitalized Product Development Costs AmortizationExpenseCapitalizedProductDevelopmentCosts	95000	USD
	csgp	Amortization Expense Capitalized Product Development Costs AmortizationExpenseCapitalizedProductDevelopmentCosts	95000	USD
CY2012Q2	csgp	Amortization Expense Capitalized Product Development Costs AmortizationExpenseCapitalizedProductDevelopmentCosts	48000	USD
CY2013Q2	csgp	Auction Rate Securities Upon Acquisition AuctionRateSecuritiesUponAcquisition	0	USD
	csgp	Auction Rate Securities Upon Acquisition AuctionRateSecuritiesUponAcquisition	442000	USD
CY2012Q2	csgp	Auction Rate Securities Upon Acquisition AuctionRateSecuritiesUponAcquisition	442000	USD
	csgp	Auction Rate Securities Upon Acquisition AuctionRateSecuritiesUponAcquisition	0	USD
	csgp	Auction Rate Securities Variable Rate Debt Instruments Interest Rate Reset Period AuctionRateSecuritiesVariableRateDebtInstrumentsInterestRateResetPeriod	P28D
	csgp	Debt Issuance Legal Fees DebtIssuanceLegalFees	2300000	USD
	csgp	Debt Issuance Underwriting Fees DebtIssuanceUnderwritingFees	9200000	USD
CY2012Q1	csgp	Default Interest Rate Spread Per Annum DefaultInterestRateSpreadPerAnnum	0.02
CY2013Q2	csgp	Deferred Gain On Sale Of Building Noncurrent DeferredGainOnSaleOfBuildingNoncurrent	27548000	USD
CY2012Q4	csgp	Deferred Gain On Sale Of Building Noncurrent DeferredGainOnSaleOfBuildingNoncurrent	28809000	USD
CY2012Q1	csgp	Excess Cash Flow Payment Maturity Period Within Issuance Of Financial Statements ExcessCashFlowPaymentMaturityPeriodWithinIssuanceOfFinancialStatements	P10D
	csgp	Fair Value Liabilities Deferred Consideration Upon Acquisition FairValueLiabilitiesDeferredConsiderationUponAcquisition	2011000	USD
CY2013Q2	csgp	Fair Value Liabilities Deferred Consideration Upon Acquisition FairValueLiabilitiesDeferredConsiderationUponAcquisition	0	USD
	csgp	Fair Value Liabilities Deferred Consideration Upon Acquisition FairValueLiabilitiesDeferredConsiderationUponAcquisition	0	USD
CY2012Q2	csgp	Fair Value Liabilities Deferred Consideration Upon Acquisition FairValueLiabilitiesDeferredConsiderationUponAcquisition	2011000	USD
CY2012	csgp	Fair Value Liabilities Deferred Consideration Upon Acquisition FairValueLiabilitiesDeferredConsiderationUponAcquisition	2011000	USD
CY2012Q1	csgp	First Excess Cash Flow Repayment Percentage FirstExcessCashFlowRepaymentPercentage	0.5
CY2013Q2	csgp	Intangible Asset Net Book Value IntangibleAssetNetBookValue	207000	USD
CY2012Q4	csgp	Intangible Asset Net Book Value IntangibleAssetNetBookValue	302000	USD
CY2012Q1	csgp	Libor Maturity Period LiborMaturityPeriod	P1M
CY2012Q1	csgp	Maximum Debt Service Coverage Ratio MaximumDebtServiceCoverageRatio	1.5
CY2012Q1	csgp	Maximum Total Leverage Ratio After Eight Fiscal Quarters MaximumTotalLeverageRatioAfterEightFiscalQuarters	2.50
CY2012Q1	csgp	Maximum Total Leverage Ratio For Fifth Through Eighth Quarters After Closing Date MaximumTotalLeverageRatioForFifthThroughEighthQuartersAfterClosingDate	2.75
CY2012Q1	csgp	Maximum Total Leverage Ratio For Third And Fourth Quarters After Closing Date MaximumTotalLeverageRatioForThirdAndFourthQuartersAfterClosingDate	3.00
	csgp	Minimum Contractual Maturities On Underlying Securities Involved In Auction Rate Securities MinimumContractualMaturitiesOnUnderlyingSecuritiesInvolvedInAuctionRateSecurities	P20Y
CY2013Q2	csgp	Minimum Number Of Current Litigation Matters MinimumNumberOfCurrentLitigationMatters	1	current_litigation_matters
CY2013Q2	csgp	Number Of Business Segments NumberOfBusinessSegments	2	operating_segments
CY2011Q2	csgp	Number Of Class Action Lawsuits Brought By Alleged Loopnet Stockholders NumberOfClassActionLawsuitsBroughtByAllegedLoopnetStockholders	3	class_action_lawsuits
CY2013Q2	csgp	Par Value Of Company Held Auction Rate Securities ParValueOfCompanyHeldAuctionRateSecurities	24300000	USD
	csgp	Proceeds From Exercise Of Stock Options And Espp ProceedsFromExerciseOfStockOptionsAndEspp	5032000	USD
	csgp	Proceeds From Exercise Of Stock Options And Espp ProceedsFromExerciseOfStockOptionsAndEspp	8909000	USD
CY2012Q2	csgp	Proceeds From Exercise Of Stock Options And Espp ProceedsFromExerciseOfStockOptionsAndEspp	4575000	USD
CY2013Q2	csgp	Proceeds From Exercise Of Stock Options And Espp ProceedsFromExerciseOfStockOptionsAndEspp	2102000	USD
CY2012Q1	csgp	Second Excess Cash Flow Repayment Percentage SecondExcessCashFlowRepaymentPercentage	0.25
CY2012Q4	csgp	Segment Reporting Segment Gross Assets SegmentReportingSegmentGrossAssets	1256882000	USD
CY2013Q2	csgp	Segment Reporting Segment Gross Assets SegmentReportingSegmentGrossAssets	1292961000	USD
CY2013Q2	csgp	Stock Options And Restricted Stock StockOptionsAndRestrictedStock	532000	shares
	csgp	Stock Options And Restricted Stock StockOptionsAndRestrictedStock	500000	shares
CY2012Q2	csgp	Stock Options And Restricted Stock StockOptionsAndRestrictedStock	0	shares
	csgp	Stock Options And Restricted Stock StockOptionsAndRestrictedStock	0	shares
	csgp	Subscription Based Licensing Agreement Minimum Term Years SubscriptionBasedLicensingAgreementMinimumTermYears	P1Y
CY2012Q1	csgp	Third Excess Cash Flow Repayment Percentage ThirdExcessCashFlowRepaymentPercentage	0
CY2013Q2	csgp	Total Segment Liabilities TotalSegmentLiabilities	398352000	USD
CY2012Q4	csgp	Total Segment Liabilities TotalSegmentLiabilities	405963000	USD
	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	2013
	dei	Document Period End Date DocumentPeriodEndDate	2013-06-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0001057352
CY2013Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	28624794	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	COSTAR GROUP INC

Files In Submission

Name	View Source	Status
0001057352-13-000048-index-headers.html	Edgar Link	pending
0001057352-13-000048-index.html	Edgar Link	pending
0001057352-13-000048.txt	Edgar Link	pending
0001057352-13-000048-xbrl.zip	Edgar Link	pending
csgp-20130630.xml	Edgar Link	completed
csgp-20130630.xsd	Edgar Link	pending
csgp-20130630_cal.xml	Edgar Link	unprocessable
csgp-20130630_def.xml	Edgar Link	unprocessable
csgp-20130630_lab.xml	Edgar Link	unprocessable
csgp-20130630_pre.xml	Edgar Link	unprocessable
csgp-6302013x10q.htm	Edgar Link	pending
csgp-6302013xex311.htm	Edgar Link	pending
csgp-6302013xex312.htm	Edgar Link	pending
csgp-6302013xex321.htm	Edgar Link	pending
csgp-6302013xex322.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
R1.htm	Edgar Link	pending
R1.xml	Edgar Link	unprocessable
R10.htm	Edgar Link	pending
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R2.htm	Edgar Link	pending
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R20.htm	Edgar Link	pending
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R39.htm	Edgar Link	pending
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R4.htm	Edgar Link	pending
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R5.htm	Edgar Link	pending
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R8.htm	Edgar Link	pending
R8.xml	Edgar Link	unprocessable
R9.htm	Edgar Link	pending
R9.xml	Edgar Link	unprocessable
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$CSGP
COSTAR GROUP, INC. Stock $csgp

2013 Q2 Form 10-Q Financial Statement

#000105735213000048 Filed on July 24, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CSGP COSTAR GROUP, INC. Stock $csgp

2013 Q2 Form 10-Q Financial Statement

#000105735213000048 Filed on July 24, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CSGP
COSTAR GROUP, INC. Stock $csgp