1.0.0.3 false CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions false 1 $ false false Unit_2 Standard http://www.xbrl.org/2003/instance shares xbrli 0 Unit_22 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit_5 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 2 $ false false Unit_2 Standard http://www.xbrl.org/2003/instance shares xbrli 0 Unit_22 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit_5 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 5 Operations 3 us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 6 Net Income 4 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 true true 170300000 170.3 false false 2 true true 290500000 290.5 false false No definition available. No authoritative reference available. false 7 Adjustments: 3 us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 8 Depreciation, amortization, and asset charges 4 us-gaap_DepreciationDepletionAndAmortization us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 212300000 212.3 false false 2 false true 210400000 210.4 false false No definition available. No authoritative reference available. false 9 Discounts and deferred issuance costs 4 us-gaap_AmortizationOfFinancingCostsAndDiscounts us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 5500000 5.5 false false 2 false true 4600000 4.6 false false No definition available. No authoritative reference available. false 10 Inventory obsolescence 4 us-gaap_InventoryWriteDown us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 10100000 10.1 false false 2 false true 15300000 15.3 false false No definition available. No authoritative reference available. false 11 Bad debt provisions 4 us-gaap_ProvisionForLoanAndLeaseLosses us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 25000000 25.0 false false 2 false true 5500000 5.5 false false No definition available. No authoritative reference available. false 12 Share-based compensation 4 us-gaap_ShareBasedCompensation us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 30100000 30.1 false false 2 false true 27500000 27.5 false false No definition available. No authoritative reference available. false 13 (Gain) loss on assets sold 4 us-gaap_GainLossOnSaleOfPropertyPlantEquipment us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -4700000 -4.7 false false 2 false true 500000 0.5 false false No definition available. No authoritative reference available. false 14 Loss on investments 4 us-gaap_GainLossOnInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 2100000 2.1 false false 2 false true 0 0 false false No definition available. No authoritative reference available. false 15 Gain on redemption of debt 4 us-gaap_GainsLossesOnExtinguishmentOfDebt us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -6500000 -6.5 false false 2 false true 0 0 false false No definition available. No authoritative reference available. false 16 Excess tax benefits from employee stock plans 4 us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true -15300000 -15.3 false false No definition available. No authoritative reference available. false 17 Changes in operating assets and liabilities, excluding acquisitions: 3 us-gaap_IncreaseDecreaseInOperatingCapitalAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 18 Receivables 4 us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 73100000 73.1 false false 2 false true -11500000 -11.5 false false No definition available. No authoritative reference available. false 19 Inventories 4 us-gaap_IncreaseDecreaseInInventories us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 30800000 30.8 false false 2 false true -48200000 -48.2 false false No definition available. No authoritative reference available. false 20 Other current assets 4 us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 18000000 18.0 false false 2 false true 7700000 7.7 false false No definition available. No authoritative reference available. false 21 Other non-current assets 4 us-gaap_IncreaseDecreaseInOtherOperatingAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -6800000 -6.8 false false 2 false true -45100000 -45.1 false false No definition available. No authoritative reference available. false 22 Income taxes, net of employee stock plans 4 us-gaap_DeferredIncomeTaxesAndTaxCredits us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -41500000 -41.5 false false 2 false true 8200000 8.2 false false No definition available. No authoritative reference available. false 23 Accounts payable and accrued liabilities 4 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -91700000 -91.7 false false 2 false true -78200000 -78.2 false false No definition available. No authoritative reference available. false 24 Jackpot liabilities 4 us-gaap_IncreaseDecreaseInOtherOperatingLiabilities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -71700000 -71.7 false false 2 false true -11200000 -11.2 false false No definition available. No authoritative reference available. true 25 Cash from operations 4 us-gaap_NetCashProvidedByUsedInOperatingActivities us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false true 354400000 354.4 false false 2 false true 360700000 360.7 false false No definition available. No authoritative reference available. true 26 Investing 3 us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 27 Total capital expenditures 4 us-gaap_PaymentsToAcquireProductiveAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -175800000 -175.8 false false 2 false true -221600000 -221.6 false false No definition available. No authoritative reference available. false 28 Proceeds from assets sold 4 us-gaap_ProceedsFromSaleOfProductiveAssets us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 7700000 7.7 false false 2 false true 3900000 3.9 false false No definition available. No authoritative reference available. false 29 Investment securities, net 4 us-gaap_PaymentsForProceedsFromShortTermInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 87300000 87.3 false false No definition available. No authoritative reference available. false 30 Net change in jackpot annuity investments 4 igt_PaymentsForProceedsFromSaleAndMaturityOfHeldToMaturityInvestments igt false debit duration monetary The net amount paid (received) by the reporting entity through acquisition, sale, maturitites of securites that had been... false false false false false false false false false 1 false true 37600000 37.6 false false 2 false true 28600000 28.6 false false The net amount paid (received) by the reporting entity through acquisition, sale, maturitites of securites that had been designated as held to maturity investments. No authoritative reference available. false 31 Changes in restricted cash 4 us-gaap_IncreaseDecreaseInRestrictedCash us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 31700000 31.7 false false 2 false true -77000000 -77.0 false false No definition available. No authoritative reference available. false 32 Loans receivable cash advanced 4 us-gaap_PaymentsToAcquireNotesReceivable us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -85400000 -85.4 false false 2 false true -38600000 -38.6 false false No definition available. No authoritative reference available. false 33 Loans receivable payments received 4 us-gaap_ProceedsFromCollectionOfNotesReceivable us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 6100000 6.1 false false 2 false true 18500000 18.5 false false No definition available. No authoritative reference available. false 34 Investments in unconsolidated affiliates 4 us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -11900000 -11.9 false false 2 false true -15000000 -15.0 false false No definition available. No authoritative reference available. false 35 Business acquisitions, net of cash acquired 4 us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -15700000 -15.7 false false 2 false true -12600000 -12.6 false false No definition available. No authoritative reference available. true 36 Cash from investing 4 us-gaap_NetCashProvidedByUsedInInvestingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -205700000 -205.7 false false 2 false true -226500000 -226.5 false false No definition available. No authoritative reference available. true 38 Financing 4 us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 39 Debt proceeds 5 us-gaap_ProceedsFromIssuanceOfLongTermDebt us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 2789400000 2789.4 false false 2 false true 698000000 698.0 false false No definition available. No authoritative reference available. false 40 Debt repayments 5 us-gaap_RepaymentsOfLongTermDebt us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -2749800000 -2749.8 false false 2 false true -303300000 -303.3 false false No definition available. No authoritative reference available. false 41 Debt issuance costs 5 us-gaap_PaymentsOfDebtIssuanceCosts us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -63500000 -63.5 false false 2 false true 0 0 false false No definition available. No authoritative reference available. false 42 Warrant proceeds 5 us-gaap_ProceedsFromIssuanceOfWarrants us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 66800000 66.8 false false 2 false true 0 0 false false No definition available. No authoritative reference available. false 43 Convertible note hedge purchases 5 us-gaap_PaymentsForProceedsFromHedgeFinancingActivities us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -177300000 -177.3 false false 2 false true 0 0 false false No definition available. No authoritative reference available. false 44 Employee stock plan proceeds 5 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 5500000 5.5 false false 2 false true 70700000 70.7 false false No definition available. No authoritative reference available. false 45 Share repurchases 5 us-gaap_PaymentsForRepurchaseOfCommonStock us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true -474000000 -474.0 false false No definition available. No authoritative reference available. false 46 Excess tax benefits from employee stock plans 5 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 15300000 15.3 false false No definition available. No authoritative reference available. false 47 Dividends paid 5 us-gaap_PaymentsOfDividendsCommonStock us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -103500000 -103.5 false false 2 false true -132300000 -132.3 false false No definition available. No authoritative reference available. true 48 Cash from financing 5 us-gaap_NetCashProvidedByUsedInFinancingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -232400000 -232.4 false false 2 false true -125600000 -125.6 false false No definition available. No authoritative reference available. true 49 Foreign exchange rates effect on cash 5 us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 1300000 1.3 false false 2 false true 4400000 4.4 false false No definition available. No authoritative reference available. true 50 Net change in cash and equivalents 4 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false true -82400000 -82.4 false false 2 false true 13000000 13.0 false false No definition available. No authoritative reference available. false 51 Beginning cash and equivalents 3 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false true false false 1 false true 266400000 266.4 false false 2 false true 261300000 261.3 false false No definition available. No authoritative reference available. false 52 Ending cash and equivalents 3 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false false true false 1 false true 184000000 184.0 false false 2 false true 274300000 274.3 false false No definition available. No authoritative reference available. false 54 Investment securities 4 igt_InvestmentSecurities igt false na duration string Investment securities false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false Investment securities false 55 Purchases 5 us-gaap_PaymentsToAcquireShortTermInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true -30100000 -30.1 false false No definition available. No authoritative reference available. false 56 Proceeds from sales 5 us-gaap_ProceedsFromSaleOfShortTermInvestments us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 117400000 117.4 false false No definition available. No authoritative reference available. true 57 Investment securities, net 5 us-gaap_PaymentsForProceedsFromShortTermInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 87300000 87.3 false false No definition available. No authoritative reference available. true 58 Jackpot funding 4 igt_JackpotFunding igt false na duration string Jackpot funding false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false Jackpot funding false 59 Jackpot liabilities 5 us-gaap_IncreaseDecreaseInOtherOperatingLiabilities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -71700000 -71.7 false false 2 false true -11200000 -11.2 false false No definition available. No authoritative reference available. true 60 Jackpot annuity purchases/investments,net 5 us-gaap_PaymentsToAcquireHeldToMaturitySecurities us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -10900000 -10.9 false false 2 false true -19500000 -19.5 false false No definition available. No authoritative reference available. false 61 Jackpot annuity proceeds 5 us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 48500000 48.5 false false 2 false true 48100000 48.1 false false No definition available. No authoritative reference available. true 62 Net change in jackpot annuity investments 5 igt_PaymentsForProceedsFromSaleAndMaturityOfHeldToMaturityInvestments igt false debit duration monetary The net amount paid (received) by the reporting entity through acquisition, sale, maturitites of securites that had been... false false false false false false false false false 1 false true 37600000 37.6 false false 2 false true 28600000 28.6 false false The net amount paid (received) by the reporting entity through acquisition, sale, maturitites of securites that had been designated as held to maturity investments. No authoritative reference available. false 63 Net jackpot funding 5 igt_NetJackpotFunding igt false debit duration monetary Sum of operating and investing cash provided or used as a result of funding Wide Area Progressive jackpots for third party... false false false false false false false false false 1 false true -34100000 -34.1 false false 2 false true 17400000 17.4 false false Sum of operating and investing cash provided or used as a result of funding Wide Area Progressive jackpots for third party customers. No authoritative reference available. true 64 Capital expenditures 4 igt_CapitalExpenditures igt false na duration string Capital expenditures false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false Capital expenditures false 65 Property, plant and equipment 5 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -33200000 -33.2 false false 2 false true -78400000 -78.4 false false No definition available. No authoritative reference available. false 66 Gaming operations equipment 5 us-gaap_PaymentsToAcquireOtherProductiveAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -136700000 -136.7 false false 2 false true -134100000 -134.1 false false No definition available. No authoritative reference available. false 67 Intellectual property 5 us-gaap_PaymentsToAcquireIntangibleAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -5900000 -5.9 false false 2 false true -9100000 -9.1 false false No definition available. No authoritative reference available. true 68 Capital expenditures 5 us-gaap_PaymentsToAcquireProductiveAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -175800000 -175.8 false false 2 false true -221600000 -221.6 false false No definition available. No authoritative reference available. true 69 Payments 4 igt_Payments igt false na duration string Payments false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false Payments false 70 Interest 5 us-gaap_InterestPaidNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 71400000 71.4 false false 2 false true 52400000 52.4 false false No definition available. No authoritative reference available. false 71 Income taxes 5 us-gaap_IncomeTaxesPaidNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 117800000 117.8 false false 2 false true 186800000 186.8 false false No definition available. No authoritative reference available. false 72 Non-cash investing and financing items: 4 igt_NonCashInvestingAndFinancingItems igt false na duration string Non-cash investing and financing items: false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false Non-cash investing and financing items: false 73 Accrued capital asset additions 5 us-gaap_CapitalExpendituresIncurredButNotYetPaid us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 4700000 4.7 false false 2 false true 13300000 13.3 false false No definition available. No authoritative reference available. false 74 Interest accretion for jackpot annuity investments 5 us-gaap_OtherSignificantNoncashTransactionValueOfConsiderationGiven us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 20900000 20.9 false false 2 false true 21700000 21.7 false false No definition available. No authoritative reference available. false 75 Business acquisitions/purchase price adjustments 4 igt_BusinessAcquisitionsPurchasePriceAdjustments igt false na duration string Business acquisitions/purchase price adjustments false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false Business acquisitions/purchase price adjustments false 76 Fair value of assets 5 us-gaap_FairValueOfAssetsAcquired us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 21900000 21.9 false false 2 false true 14900000 14.9 false false No definition available. No authoritative reference available. false 77 Fair value of liabilities 5 us-gaap_LiabilitiesAssumed us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 6200000 6.2 false false 2 false true 2300000 2.3 false false No definition available. No authoritative reference available. false 78 Accrued share repurchased 5 igt_AccruedShareRepurchased igt false debit duration monetary Accrued share repurchased false false false false false false false false false 1 true true 0 0 false false 2 true true 36900000 36.9 false false Accrued share repurchased No authoritative reference available. false false 2 72 false HundredThousands UnKnown UnKnown false true