10-K Filing

AUTONATION, INC. CIK: 350698 FY 2016

Filing Information

Form Type	10-K
Accession Number	`0000350698-17-000028`
Period End Date	20161231
Filing Date	20170209
Fiscal Year	2016
Fiscal Period	FY
XBRL Instance	an-20161231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 74 Income Statement 81 Cash Flow Statement 158 Stockholders Equity 25

Balance Sheet 74 line items

Line Item	Tag	Value	Unit	Period
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	1.50B	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	1.50B	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	120.56M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	120.56M	shares	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	19.91M	shares	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	9.76M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$64.80M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$69.20M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$74.10M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$75.40M	USD	Point-in-time
Receivables, net	`ReceivablesNetCurrent`	$908.20M	USD	Point-in-time
Receivables, net	`ReceivablesNetCurrent`	$1.03B	USD	Point-in-time
Inventory	`InventoryNet`	$3.61B	USD	Point-in-time
Inventory	`InventoryNet`	$3.52B	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$115.40M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$97.00M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$4.71B	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$4.71B	USD	Point-in-time
PROPERTY AND EQUIPMENT, NET	`PropertyPlantAndEquipmentNet`	$2.84B	USD	Point-in-time
PROPERTY AND EQUIPMENT, NET	`PropertyPlantAndEquipmentNet`	$2.67B	USD	Point-in-time
GOODWILL, NET	`Goodwill`	$1.51B	USD	Point-in-time
GOODWILL, NET	`Goodwill`	$1.39B	USD	Point-in-time
GOODWILL, NET	`Goodwill`	$1.31B	USD	Point-in-time
OTHER INTANGIBLE ASSETS, NET	`IntangibleAssetsNetExcludingGoodwill`	$439.90M	USD	Point-in-time
OTHER INTANGIBLE ASSETS, NET	`IntangibleAssetsNetExcludingGoodwill`	$598.20M	USD	Point-in-time
OTHER ASSETS	`OtherAssetsNoncurrent`	$392.50M	USD	Point-in-time
OTHER ASSETS	`OtherAssetsNoncurrent`	$336.70M	USD	Point-in-time
Total Assets	`Assets`	$9.55B	USD	Point-in-time
Total Assets	`Assets`	$10.06B	USD	Point-in-time
Total Assets	`Assets`	$8.39B	USD	Point-in-time
Vehicle floorplan payable	`VehicleFloorplanPayable`	$3.73B	USD	Point-in-time
Vehicle floorplan payable	`VehicleFloorplanPayable`	$3.85B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$303.70M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$299.90M	USD	Point-in-time
Commercial paper	`CommercialPaper`	$599.50M	USD	Point-in-time
Commercial paper	`CommercialPaper`	$942.00M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$167.50M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$11.70M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$529.20M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$566.80M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$5.83B	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$5.17B	USD	Point-in-time
LONG-TERM DEBT, NET OF CURRENT MATURITIES	`LongTermDebtAndCapitalLeaseObligations`	$1.61B	USD	Point-in-time
LONG-TERM DEBT, NET OF CURRENT MATURITIES	`LongTermDebtAndCapitalLeaseObligations`	$1.75B	USD	Point-in-time
DEFERRED INCOME TAXES	`DeferredTaxLiabilitiesNoncurrent`	$91.50M	USD	Point-in-time
DEFERRED INCOME TAXES	`DeferredTaxLiabilitiesNoncurrent`	$78.60M	USD	Point-in-time
OTHER LIABILITIES	`OtherLiabilitiesNoncurrent`	$207.60M	USD	Point-in-time
OTHER LIABILITIES	`OtherLiabilitiesNoncurrent`	$217.90M	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (Note 8)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (Note 8)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, par value $0.01 per share; 5,000,000 shares authorized; none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, par value $0.01 per share; 5,000,000 shares authorized; none issued	`PreferredStockValue`	-	USD	Point-in-time
Common stock, par value $0.01 per share; 1,500,000,000 shares authorized; 120,562,149 shares issued at December 31, 2016, and December 31, 2015, including shares held in treasury	`CommonStockValue`	$1.20M	USD	Point-in-time
Common stock, par value $0.01 per share; 1,500,000,000 shares authorized; 120,562,149 shares issued at December 31, 2016, and December 31, 2015, including shares held in treasury	`CommonStockValue`	$1.20M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$5.20M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$18.20M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.70B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.13B	USD	Point-in-time
Treasury stock, at cost; 19,909,940 and 9,758,091 shares held, respectively	`TreasuryStockValue`	$842.40M	USD	Point-in-time
Treasury stock, at cost; 19,909,940 and 9,758,091 shares held, respectively	`TreasuryStockValue`	$359.90M	USD	Point-in-time
Total Shareholders' Equity	`StockholdersEquity`	$2.31B	USD	Point-in-time
Total Shareholders' Equity	`StockholdersEquity`	$2.07B	USD	Point-in-time
Total Shareholders' Equity	`StockholdersEquity`	$2.06B	USD	Point-in-time
Total Shareholders' Equity	`StockholdersEquity`	$2.35B	USD	Point-in-time
Total Liabilities and Shareholders' Equity	`LiabilitiesAndStockholdersEquity`	$9.55B	USD	Point-in-time
Total Liabilities and Shareholders' Equity	`LiabilitiesAndStockholdersEquity`	$10.06B	USD	Point-in-time

Income Statement 81 line items

Line Item	Tag	Value	Unit	Period
TOTAL REVENUE	`Revenues`	$20.86B	USD	Annual
TOTAL REVENUE	`Revenues`	$19.11B	USD	Annual
TOTAL REVENUE	`Revenues`	$21.61B	USD	Annual
TOTAL COST OF SALES (excluding depreciation shown below)	`CostOfRevenue`	$18.30B	USD	Annual
TOTAL COST OF SALES (excluding depreciation shown below)	`CostOfRevenue`	$17.60B	USD	Annual
TOTAL COST OF SALES (excluding depreciation shown below)	`CostOfRevenue`	$16.12B	USD	Annual
TOTAL GROSS PROFIT	`GrossProfit`	$2.99B	USD	Annual
TOTAL GROSS PROFIT	`GrossProfit`	$3.31B	USD	Annual
TOTAL GROSS PROFIT	`GrossProfit`	$3.26B	USD	Annual
Selling, general, and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$2.26B	USD	Annual
Selling, general, and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$2.08B	USD	Annual
Selling, general, and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$2.35B	USD	Annual
Depreciation and amortization	`DepreciationAndAmortizationExcludingDebtFinancingCostsAndDiscounts`	$143.40M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortizationExcludingDebtFinancingCostsAndDiscounts`	$127.40M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortizationExcludingDebtFinancingCostsAndDiscounts`	$106.90M	USD	Annual
Franchise rights impairment	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	-	USD	Annual
Franchise rights impairment	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	-	USD	Annual
Franchise rights impairment	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	$15.40M	USD	Annual
Other income, net	`OtherOperatingIncomeExpenseNet`	$18.60M	USD	Annual
Other income, net	`OtherOperatingIncomeExpenseNet`	$17.90M	USD	Annual
Other income, net	`OtherOperatingIncomeExpenseNet`	$69.10M	USD	Annual
OPERATING INCOME	`OperatingIncomeLoss`	$889.50M	USD	Annual
OPERATING INCOME	`OperatingIncomeLoss`	$873.10M	USD	Annual
OPERATING INCOME	`OperatingIncomeLoss`	$820.80M	USD	Annual
Floorplan interest expense	`FloorplanInterestExpense`	$58.30M	USD	Annual
Floorplan interest expense	`FloorplanInterestExpense`	$76.50M	USD	Annual
Floorplan interest expense	`FloorplanInterestExpense`	$53.30M	USD	Annual
Other interest expense	`InterestExpenseDebt`	$115.50M	USD	Annual
Other interest expense	`InterestExpenseDebt`	$86.70M	USD	Annual
Other interest expense	`InterestExpenseDebt`	$90.90M	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$-1.60M	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Interest income	`InvestmentIncomeInterest`	$1.10M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$100.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$200.00K	USD	Annual
Other income (loss), net	`OtherNonoperatingIncomeExpense`	$-1.30M	USD	Annual
Other income (loss), net	`OtherNonoperatingIncomeExpense`	$2.90M	USD	Annual
Other income (loss), net	`OtherNonoperatingIncomeExpense`	$3.70M	USD	Annual
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$722.70M	USD	Annual
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$682.30M	USD	Annual
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$702.30M	USD	Annual
Income tax provision	`IncomeTaxExpenseBenefit`	$270.60M	USD	Annual
Income tax provision	`IncomeTaxExpenseBenefit`	$279.00M	USD	Annual
Income tax provision	`IncomeTaxExpenseBenefit`	$262.50M	USD	Annual
NET INCOME FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperations`	$419.80M	USD	Annual
NET INCOME FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperations`	$431.70M	USD	Annual
NET INCOME FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperations`	$443.70M	USD	Annual
Loss from discontinued operations, net of income taxes	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-1.10M	USD	Annual
Loss from discontinued operations, net of income taxes	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-1.20M	USD	Annual
Loss from discontinued operations, net of income taxes	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-1.10M	USD	Annual
NET INCOME	`NetIncomeLoss`	$430.50M	USD	Annual
NET INCOME	`NetIncomeLoss`	$418.70M	USD	Annual
NET INCOME	`NetIncomeLoss`	$442.60M	USD	Annual
Continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$3.58	USD	Annual
Continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$4.19	USD	Annual
Continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$3.94	USD	Annual
Discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.01	USD	Annual
Discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.01	USD	Annual
Discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.01	USD	Annual
Net income (in dollars per share)	`EarningsPerShareBasic`	$4.18	USD	Annual
Net income (in dollars per share)	`EarningsPerShareBasic`	$3.57	USD	Annual
Net income (in dollars per share)	`EarningsPerShareBasic`	$3.93	USD	Annual
Weighted average common shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	112.70M	shares	Annual
Weighted average common shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	103.10M	shares	Annual
Weighted average common shares outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	117.30M	shares	Annual
Continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$3.90	USD	Annual
Continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$4.16	USD	Annual
Continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$3.53	USD	Annual
Discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.01	USD	Annual
Discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.01	USD	Annual
Discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.01	USD	Annual
Net income (in dollars per share)	`EarningsPerShareDiluted`	$3.52	USD	Annual
Net income (in dollars per share)	`EarningsPerShareDiluted`	$4.15	USD	Annual
Net income (in dollars per share)	`EarningsPerShareDiluted`	$3.89	USD	Annual
Weighted average common shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	113.90M	shares	Annual
Weighted average common shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	103.80M	shares	Annual
Weighted average common shares outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	118.90M	shares	Annual
COMMON SHARES OUTSTANDING, net of treasury stock, at period end (in shares)	`CommonStockSharesOutstanding`	110.80M	shares	Point-in-time
COMMON SHARES OUTSTANDING, net of treasury stock, at period end (in shares)	`CommonStockSharesOutstanding`	113.30M	shares	Point-in-time
COMMON SHARES OUTSTANDING, net of treasury stock, at period end (in shares)	`CommonStockSharesOutstanding`	100.70M	shares	Point-in-time

Cash Flow Statement 158 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$430.50M	USD	Annual
Net income	`NetIncomeLoss`	$418.70M	USD	Annual
Net income	`NetIncomeLoss`	$442.60M	USD	Annual
Loss from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-1.10M	USD	Annual
Loss from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-1.20M	USD	Annual
Loss from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-1.10M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortizationExcludingDebtFinancingCostsAndDiscounts`	$143.40M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortizationExcludingDebtFinancingCostsAndDiscounts`	$127.40M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortizationExcludingDebtFinancingCostsAndDiscounts`	$106.90M	USD	Annual
Amortization of debt issuance costs and accretion of debt discounts	`AmortizationOfFinancingCostsAndDiscounts`	$5.40M	USD	Annual
Amortization of debt issuance costs and accretion of debt discounts	`AmortizationOfFinancingCostsAndDiscounts`	$5.70M	USD	Annual
Amortization of debt issuance costs and accretion of debt discounts	`AmortizationOfFinancingCostsAndDiscounts`	$4.70M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$26.30M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$24.00M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$25.10M	USD	Annual
Franchise rights impairment	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	-	USD	Annual
Franchise rights impairment	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	-	USD	Annual
Franchise rights impairment	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	$15.40M	USD	Annual
Non-cash impairment charges	`TangibleAssetImpairmentCharges`	$1.10M	USD	Annual
Non-cash impairment charges	`TangibleAssetImpairmentCharges`	$14.00M	USD	Annual
Non-cash impairment charges	`TangibleAssetImpairmentCharges`	$6.10M	USD	Annual
Write-off of deferred debt issuance costs	`WriteOffOfDeferredDebtIssuanceCost`	-	USD	Annual
Write-off of deferred debt issuance costs	`WriteOffOfDeferredDebtIssuanceCost`	$400.00K	USD	Annual
Write-off of deferred debt issuance costs	`WriteOffOfDeferredDebtIssuanceCost`	-	USD	Annual
Net gain on asset sales and dispositions	`GainLossOnDispositionOfAssets1`	$13.80M	USD	Annual
Net gain on asset sales and dispositions	`GainLossOnDispositionOfAssets1`	$62.60M	USD	Annual
Net gain on asset sales and dispositions	`GainLossOnDispositionOfAssets1`	$23.80M	USD	Annual
Deferred income tax provision	`DeferredIncomeTaxesAndTaxCredits`	$3.70M	USD	Annual
Deferred income tax provision	`DeferredIncomeTaxesAndTaxCredits`	$10.00M	USD	Annual
Deferred income tax provision	`DeferredIncomeTaxesAndTaxCredits`	$9.50M	USD	Annual
Excess tax benefit from stock-based awards	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$17.90M	USD	Annual
Excess tax benefit from stock-based awards	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$18.00M	USD	Annual
Excess tax benefit from stock-based awards	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$600.00K	USD	Annual
Other	`OtherNoncashIncomeExpense`	$2.00M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$10.60M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-1.30M	USD	Annual
Receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$99.30M	USD	Annual
Receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$80.30M	USD	Annual
Receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$91.80M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$-259.10M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$548.80M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$27.30M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$33.60M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$41.10M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$8.80M	USD	Annual
Vehicle floorplan payable-trade, net	`IncreaseDecreaseInVehicleFloorplanPayableTradeNet`	$488.00M	USD	Annual
Vehicle floorplan payable-trade, net	`IncreaseDecreaseInVehicleFloorplanPayableTradeNet`	$-196.40M	USD	Annual
Vehicle floorplan payable-trade, net	`IncreaseDecreaseInVehicleFloorplanPayableTradeNet`	$-27.20M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$7.50M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$37.70M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-5.80M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$118.70M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$43.80M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$41.00M	USD	Annual
Net cash provided by continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$508.20M	USD	Annual
Net cash provided by continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$517.30M	USD	Annual
Net cash provided by continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$486.20M	USD	Annual
Net cash used in discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$-1.00M	USD	Annual
Net cash used in discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$-1.10M	USD	Annual
Net cash used in discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$-1.30M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$507.20M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$485.10M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$516.00M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$244.50M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$247.60M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$209.20M	USD	Annual
Property operating lease buy-outs	`PaymentstoAcquirePropertyOperatingLeaseBuyouts`	$5.00M	USD	Annual
Property operating lease buy-outs	`PaymentstoAcquirePropertyOperatingLeaseBuyouts`	$400.00K	USD	Annual
Property operating lease buy-outs	`PaymentstoAcquirePropertyOperatingLeaseBuyouts`	$10.20M	USD	Annual
Proceeds from the sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$8.70M	USD	Annual
Proceeds from the sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$5.50M	USD	Annual
Proceeds from the sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$21.90M	USD	Annual
Proceeds from the disposal of assets held for sale	`ProceedsFromSaleOfPropertyHeldForSale`	$4.80M	USD	Annual
Proceeds from the disposal of assets held for sale	`ProceedsFromSaleOfPropertyHeldForSale`	$11.50M	USD	Annual
Proceeds from the disposal of assets held for sale	`ProceedsFromSaleOfPropertyHeldForSale`	$2.60M	USD	Annual
Insurance recoveries on property and equipment	`ProceedsFromInsuranceSettlementInvestingActivities`	$1.00M	USD	Annual
Insurance recoveries on property and equipment	`ProceedsFromInsuranceSettlementInvestingActivities`	$3.10M	USD	Annual
Insurance recoveries on property and equipment	`ProceedsFromInsuranceSettlementInvestingActivities`	-	USD	Annual
Cash used in business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$410.40M	USD	Annual
Cash used in business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$321.50M	USD	Annual
Cash used in business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$205.20M	USD	Annual
Cash received from business divestitures, net of cash relinquished	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	$41.40M	USD	Annual
Cash received from business divestitures, net of cash relinquished	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	$43.90M	USD	Annual
Cash received from business divestitures, net of cash relinquished	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	$150.40M	USD	Annual
Net change in restricted cash	`IncreaseDecreaseInRestrictedCash`	$3.80M	USD	Annual
Net change in restricted cash	`IncreaseDecreaseInRestrictedCash`	$-3.30M	USD	Annual
Net change in restricted cash	`IncreaseDecreaseInRestrictedCash`	-	USD	Annual
Proceeds from the sales of restricted investments	`ProceedsFromSaleOfRestrictedInvestments`	-	USD	Annual
Proceeds from the sales of restricted investments	`ProceedsFromSaleOfRestrictedInvestments`	$500.00K	USD	Annual
Proceeds from the sales of restricted investments	`ProceedsFromSaleOfRestrictedInvestments`	-	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$11.20M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$100.00K	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$4.60M	USD	Annual
Net cash used in continuing operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-376.00M	USD	Annual
Net cash used in continuing operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-509.40M	USD	Annual
Net cash used in continuing operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-489.70M	USD	Annual
Net cash used in discontinued operations	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	-	USD	Annual
Net cash used in discontinued operations	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	-	USD	Annual
Net cash used in discontinued operations	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	-	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-489.70M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-376.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-509.40M	USD	Annual
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$237.30M	USD	Annual
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$487.70M	USD	Annual
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$499.00M	USD	Annual
Payment of term loan facility	`RepaymentsOfUnsecuredDebt`	$500.00M	USD	Annual
Payment of term loan facility	`RepaymentsOfUnsecuredDebt`	-	USD	Annual
Payment of term loan facility	`RepaymentsOfUnsecuredDebt`	-	USD	Annual
Proceeds from revolving credit facilities	`ProceedsFromLongTermLinesOfCredit`	$1.33B	USD	Annual
Proceeds from revolving credit facilities	`ProceedsFromLongTermLinesOfCredit`	$2.78B	USD	Annual
Proceeds from revolving credit facilities	`ProceedsFromLongTermLinesOfCredit`	$1.41B	USD	Annual
Payments of revolving credit facilities	`RepaymentsOfLongTermLinesOfCredit`	$1.33B	USD	Annual
Payments of revolving credit facilities	`RepaymentsOfLongTermLinesOfCredit`	$1.97B	USD	Annual
Payments of revolving credit facilities	`RepaymentsOfLongTermLinesOfCredit`	$2.52B	USD	Annual
Net proceeds from commercial paper	`ProceedsFromRepaymentsOfCommercialPaper`	$342.50M	USD	Annual
Net proceeds from commercial paper	`ProceedsFromRepaymentsOfCommercialPaper`	$599.50M	USD	Annual
Net proceeds from commercial paper	`ProceedsFromRepaymentsOfCommercialPaper`	-	USD	Annual
Payment of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$6.00M	USD	Annual
Payment of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$6.40M	USD	Annual
Payment of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Net proceeds from (payments of) vehicle floorplan payable - non-trade	`IncreaseDecreaseInVehicleFloorPlanPayableNonTradeNet`	$-13.30M	USD	Annual
Net proceeds from (payments of) vehicle floorplan payable - non-trade	`IncreaseDecreaseInVehicleFloorPlanPayableNonTradeNet`	$61.60M	USD	Annual
Net proceeds from (payments of) vehicle floorplan payable - non-trade	`IncreaseDecreaseInVehicleFloorPlanPayableNonTradeNet`	$153.80M	USD	Annual
Purchase of subsidiary shares	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	$15.20M	USD	Annual
Purchase of subsidiary shares	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	-	USD	Annual
Purchase of subsidiary shares	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	-	USD	Annual
Payments of mortgage facilities	`RepaymentsOfFirstMortgageBond`	$9.20M	USD	Annual
Payments of mortgage facilities	`RepaymentsOfFirstMortgageBond`	$22.50M	USD	Annual
Payments of mortgage facilities	`RepaymentsOfFirstMortgageBond`	$9.80M	USD	Annual
Payments of capital lease and other debt obligations	`RepaymentsOfLongTermCapitalLeaseObligations`	$24.70M	USD	Annual
Payments of capital lease and other debt obligations	`RepaymentsOfLongTermCapitalLeaseObligations`	$18.20M	USD	Annual
Payments of capital lease and other debt obligations	`RepaymentsOfLongTermCapitalLeaseObligations`	$4.20M	USD	Annual
Proceeds from the exercise of stock options	`ProceedsFromStockOptionsExercised`	$35.10M	USD	Annual
Proceeds from the exercise of stock options	`ProceedsFromStockOptionsExercised`	$8.40M	USD	Annual
Proceeds from the exercise of stock options	`ProceedsFromStockOptionsExercised`	$30.00M	USD	Annual
Excess tax benefit from stock-based awards	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$18.00M	USD	Annual
Excess tax benefit from stock-based awards	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$600.00K	USD	Annual
Excess tax benefit from stock-based awards	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$17.90M	USD	Annual
Net cash provided by (used in) continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-35.60M	USD	Annual
Net cash provided by (used in) continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$900.00K	USD	Annual
Net cash provided by (used in) continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-102.90M	USD	Annual
Net cash used in discontinued operations	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	-	USD	Annual
Net cash used in discontinued operations	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	-	USD	Annual
Net cash used in discontinued operations	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	-	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-102.90M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-35.60M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$900.00K	USD	Annual
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-9.30M	USD	Annual
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$6.20M	USD	Annual
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-1.30M	USD	Annual
CASH AND CASH EQUIVALENTS at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$64.80M	USD	Point-in-time
CASH AND CASH EQUIVALENTS at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$69.20M	USD	Point-in-time
CASH AND CASH EQUIVALENTS at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$74.10M	USD	Point-in-time
CASH AND CASH EQUIVALENTS at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$75.40M	USD	Point-in-time
CASH AND CASH EQUIVALENTS at end of period	`CashAndCashEquivalentsAtCarryingValue`	$64.80M	USD	Point-in-time
CASH AND CASH EQUIVALENTS at end of period	`CashAndCashEquivalentsAtCarryingValue`	$69.20M	USD	Point-in-time
CASH AND CASH EQUIVALENTS at end of period	`CashAndCashEquivalentsAtCarryingValue`	$74.10M	USD	Point-in-time
CASH AND CASH EQUIVALENTS at end of period	`CashAndCashEquivalentsAtCarryingValue`	$75.40M	USD	Point-in-time

Stockholders Equity 25 line items

Line Item	Tag	Value	Unit	Period
Shares awarded under stock-based compensation plans, excess income tax benefit	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$600.00K	USD	Annual
Shares awarded under stock-based compensation plans, excess income tax benefit	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$18.00M	USD	Annual
Shares awarded under stock-based compensation plans, excess income tax benefit	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$17.90M	USD	Annual
BALANCE, Amount	`StockholdersEquity`	$2.31B	USD	Point-in-time
BALANCE, Amount	`StockholdersEquity`	$2.07B	USD	Point-in-time
BALANCE, Amount	`StockholdersEquity`	$2.06B	USD	Point-in-time
BALANCE, Amount	`StockholdersEquity`	$2.35B	USD	Point-in-time
Net income	`NetIncomeLoss`	$430.50M	USD	Annual
Net income	`NetIncomeLoss`	$418.70M	USD	Annual
Net income	`NetIncomeLoss`	$442.60M	USD	Annual
Repurchases of common stock	`TreasuryStockValueAcquiredCostMethod`	$499.00M	USD	Annual
Repurchases of common stock	`TreasuryStockValueAcquiredCostMethod`	$487.70M	USD	Annual
Repurchases of common stock	`TreasuryStockValueAcquiredCostMethod`	$237.30M	USD	Annual
Treasury stock cancellation	`TreasuryStockRetiredCostMethodAmount`	-	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$25.10M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$26.30M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$24.00M	USD	Annual
Shares awarded under stock-based compensation plans, including excess income tax benefit of $0.6 in 2016, $17.9 in 2015, and $18.0 in 2014	`StockIssuedDuringPeriodValueShareBasedCompensation`	$47.90M	USD	Annual
Shares awarded under stock-based compensation plans, including excess income tax benefit of $0.6 in 2016, $17.9 in 2015, and $18.0 in 2014	`StockIssuedDuringPeriodValueShareBasedCompensation`	$9.00M	USD	Annual
Shares awarded under stock-based compensation plans, including excess income tax benefit of $0.6 in 2016, $17.9 in 2015, and $18.0 in 2014	`StockIssuedDuringPeriodValueShareBasedCompensation`	$53.10M	USD	Annual
Adjustments to Additional Paid in Capital, Other	`AdjustmentsToAdditionalPaidInCapitalOther`	$-4.60M	USD	Annual
BALANCE, Amount	`StockholdersEquity`	$2.31B	USD	Point-in-time
BALANCE, Amount	`StockholdersEquity`	$2.07B	USD	Point-in-time
BALANCE, Amount	`StockholdersEquity`	$2.06B	USD	Point-in-time
BALANCE, Amount	`StockholdersEquity`	$2.35B	USD	Point-in-time

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.