2.2.0.25falsefalse004000 - Statement - CONSOLIDATED STATEMENT OF CASH FLOWStruefalseIn Millionsfalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $c00021http://www.sec.gov/CIK0001224608duration2010-01-01T00:00:002010-12-31T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u002Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u001Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2falsefalseUSDfalsefalse1/1/2009 - 12/31/2009 USD ($) USD ($) / shares $c00004http://www.sec.gov/CIK0001224608duration2009-01-01T00:00:002009-12-31T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u002Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u001Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$3falsefalseUSDfalsefalse1/1/2008 - 12/31/2008 USD ($) USD ($) / shares $c00000http://www.sec.gov/CIK0001224608duration2008-01-01T00:00:002008-12-31T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u002Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u001Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$3true0us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringThe net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities include all transactions and events that are not defined as investing or financing activities. Operating activities generally involve producing and delivering goods and providing services. Cash flows from operating activities are generally the cash effects of transactions and other events that enter into the determination of net income.falsefalseCash flows from operating activities:4false0us-gaap_ProceedsFromInsurancePremiumsCollectedus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse23593000002359.3falsetruefalsefalsefalse2truefalsefalse27471000002747.1falsetruefalsefalsefalse3truefalsefalse31407000003140.7falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryCash received as payments for insurance premiums during the current period .Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 falsefalseInsurance policy income5false0us-gaap_ProceedsFromInterestAndDividendsReceivedus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse13049000001304.9falsefalsefalsefalsefalse2truefalsefalse11673000001167.3falsefalsefalsefalsefalse3truefalsefalse13396000001339.6falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryCash received for dividends and interest on the entity's equity and debt investments during the current period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 falsefalseNet investment income6false0us-gaap_ProceedsFromFeesReceivedus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse1680000016.8falsefalsefalsefalsefalse2truefalsefalse1560000015.6falsefalsefalsefalsefalse3truefalsefalse1970000019.7falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryCash received for fees during the current period. This element excludes cash proceeds from license fees.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 falsefalseFee revenue and other income7false0cno_InsurancePolicyBenefitscnofalsedebitdurationAmounts paid to policyholders during the period pursuant to the terms of the insurance contracts.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse-1975400000-1975.4falsefalsefalsefalsefalse2truefalsefalse-2298800000-2298.8falsefalsefalsefalsefalse3truefalsefalse-2722300000-2722.3falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmounts paid to policyholders during the period pursuant to the terms of the insurance contracts.No authoritative reference available.falsefalseInsurance policy benefits8false0us-gaap_InterestPaidus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse-108200000-108.2falsefalsefalsefalsefalse2truefalsefalse-109000000-109.0falsefalsefalsefalsefalse3truefalsefalse-95400000-95.4falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of cash paid during the current period for interest owed on money borrowed; includes amount of interest capitalizedReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 29 falsefalseInterest expense9false0cno_PolicyAcquisitionCostscnofalsecreditdurationPayments made during the reporting period related to costs associated with acquiring new insurance customers.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse-418200000-418.2falsefalsefalsefalsefalse2truefalsefalse-407500000-407.5falsefalsefalsefalsefalse3truefalsefalse-459100000-459.1falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryPayments made during the reporting period related to costs associated with acquiring new insurance customers.No authoritative reference available.falsefalsePolicy acquisition costs10false0us-gaap_PaymentsForOtherOperatingActivitiesus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-444800000-444.8falsefalsefalsefalsefalse2truefalsefalse-495800000-495.8falsefalsefalsefalsefalse3truefalsefalse-587000000-587.0falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryCash payments made during the current period for operating activities other than those that have been specifically listed above.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 falsefalseOther operating costs11false0us-gaap_IncomeTaxesPaidus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-400000-0.4falsefalsefalsefalsefalse2truefalsefalse-7200000-7.2falsefalsefalsefalsefalse3truefalsefalse41000004.1falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 29 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 -Subparagraph f falsefalseTaxes12false0us-gaap_NetCashProvidedByUsedInOperatingActivitiesus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse734000000734.0falsefalsefalsefalsefalse2truefalsefalse611700000611.7falsefalsefalsefalsefalse3truefalsefalse640300000640.3falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 26 truefalseNet cash provided by operating activities13true0us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseCash flows from investing activities:14false0cno_SalesOfInvestmentscnofalsedebitdurationSales of investments during the period primarily resulting from sales of actively managed fixed maturities.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse86326000008632.6falsefalsefalsefalsefalse2truefalsefalse1070960000010709.6falsefalsefalsefalsefalse3truefalsefalse68327000006832.7falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySales of investments during the period primarily resulting from sales of actively managed fixed maturities.No authoritative reference available.falsefalseSales of investments15false0cno_MaturitiesAndRedemptionsOfInvestmentscnofalsedebitdurationMaturities and redemptions of investments during the period primarily resulting from actively managed fixed maturities.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse894000000894.0falsefalsefalsefalsefalse2truefalsefalse917300000917.3falsefalsefalsefalsefalse3truefalsefalse695100000695.1falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryMaturities and redemptions of investments during the period primarily resulting from actively managed fixed maturities.No authoritative reference available.falsefalseMaturities and redemptions of investments16false0cno_PurchasesOfInvestmentscnofalsecreditdurationPurchases of investments during the period primarily related to actively managed fixed maturities.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-10739200000-10739.2falsefalsefalsefalsefalse2truefalsefalse-12540400000-12540.4falsefalsefalsefalsefalse3truefalsefalse-8193700000-8193.7falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryPurchases of investments during the period primarily related to actively managed fixed maturities.No authoritative reference available.falsefalsePurchases of investments17false0cno_NetSalesPurchasesOfTradingSecuritiescnofalsecreditdurationNet amounts received or paid for trading securities during the period.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-51700000-51.7falsefalsefalsefalsefalse2truefalsefalse3230000032.3falsefalsefalsefalsefalse3truefalsefalse346500000346.5falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNet amounts received or paid for trading securities during the period.No authoritative reference available.falsefalseNet sales (purchases) of trading securities18false0cno_ChangeInCashAndCashEquivalentsHeldByVariableInterestEntitiescnofalsecreditdurationChange in cash and cash equivalents during the period held by variable interest entities of which we are the primary...falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-19600000-19.6falsefalsefalsefalsefalse2truefalsefalse14000001.4falsefalsefalsefalsefalse3truefalsefalse1130000011.3falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryChange in cash and cash equivalents during the period held by variable interest entities of which we are the primary beneficiary.No authoritative reference available.falsefalseChange in cash and cash equivalents held by variable interest entities19false0cno_ChangeInCashHeldByDiscontinuedOperationscnofalsecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse00falsefalsefalsefalsefalse2truefalsefalse00falsefalsefalsefalsefalse3truefalsefalse4560000045.6falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNo definition available.No authoritative reference available.falsefalseChange in cash held by discontinued operations20false0us-gaap_PaymentsForProceedsFromOtherInvestingActivitiesus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-14700000-14.7falsefalsefalsefalsefalse2truefalsefalse-10600000-10.6falsefalsefalsefalsefalse3truefalsefalse-20800000-20.8falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe net cash outflow (inflow) from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 falsefalseOther21false0us-gaap_NetCashProvidedByUsedInInvestingActivitiesus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse-1298600000-1298.6falsefalsefalsefalsefalse2truefalsefalse-890400000-890.4falsefalsefalsefalsefalse3truefalsefalse-283300000-283.3falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe net cash inflow (outflow) from investing activity.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 26 truefalseNet cash used by investing activities22true0us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseCash flows from financing activities:23false0us-gaap_ProceedsFromNotesPayableus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse756100000756.1falsefalsefalsefalsefalse2truefalsefalse172000000172.0falsefalsefalsefalsefalse3truefalsefalse7500000075.0falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash inflow from a borrowing supported by a written promise to pay an obligation.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 19 -Subparagraph b falsefalseIssuance of notes payable, net24false0us-gaap_ProceedsFromIssuanceOfCommonStockus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse00falsefalsefalsefalsefalse2truefalsefalse296300000296.3falsefalsefalsefalsefalse3truefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash inflow from the additional capital contribution to the entity.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 19 -Subparagraph a falsefalseIssuance of common stock25false0us-gaap_RepaymentsOfNotesPayableus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-793600000-793.6falsefalsefalsefalsefalse2truefalsefalse-461200000-461.2falsefalsefalsefalsefalse3truefalsefalse-44000000-44.0falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash outflow for a borrowing supported by a written promise to pay an obligation.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b falsefalsePayments on notes payable26false0cno_ExpensesRelatedToDebtModificationAndExtinguishmentOfDebtcnofalsecreditdurationPayments made during the period related to debt modification and extinguishment of debt.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse00falsefalsefalsefalsefalse2truefalsefalse-14700000-14.7falsefalsefalsefalsefalse3truefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryPayments made during the period related to debt modification and extinguishment of debt.No authoritative reference available.falsefalseExpenses related to debt modification and extinguishment of debt27false0us-gaap_ProceedsFromAnnuitiesAndInvestmentCertificatesus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse17301000001730.1falsefalsefalsefalsefalse2truefalsefalse16689000001668.9falsefalsefalsefalsefalse3truefalsefalse18634000001863.4falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash inflow from an insurance contract under which the policy holder make a lump sum payment or a series of payments in exchange for periodic payments to the policyholder beginning immediately or at some future date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 26, 31 falsefalseAmounts received for deposit products28false0us-gaap_RepaymentsOfAnnuitiesAndInvestmentCertificatesus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-1704400000-1704.4falsefalsefalsefalsefalse2truefalsefalse-1670100000-1670.1falsefalsefalsefalsefalse3truefalsefalse-1573300000-1573.3falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash outflow for an insurance contract under which the policy holder make a lump sum payment or a series of payments in exchange for periodic payments to the policyholder beginning immediately or at some future date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 26, 31 falsefalseWithdrawals from deposit products29false0cno_InvestmentBorrowingsAndBorrowingsRelatedToVariableInterestEntitiescnofalsecreditdurationChange in borrowings during the period related to: (i) amounts borrowed by variable interest entities of which we are the...falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse624900000624.9falsefalsefalsefalsefalse2truefalsefalse-83600000-83.6falsefalsefalsefalsefalse3truefalsefalse-145500000-145.5falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryChange in borrowings during the period related to: (i) amounts borrowed by variable interest entities of which we are the primary beneficiary; and (ii) other borrowings by a wholly owned subsidiary primarily from the Federal Home Loan Bank of Indianapolis.No authoritative reference available.falsefalseInvestment borrowings and borrowings related to variable interest entities30false0us-gaap_NetCashProvidedByUsedInFinancingActivitiesus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse613100000613.1falsefalsefalsefalsefalse2truefalsefalse-92400000-92.4falsefalsefalsefalsefalse3truefalsefalse175600000175.6falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe net cash inflow (outflow) from financing activity for the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 26 truefalseNet cash provided (used) by financing activities31false0us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse4850000048.5falsefalsefalsefalsefalse2truefalsefalse-371100000-371.1falsefalsefalsefalsefalse3truefalsefalse532600000532.6falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe net change between the beginning and ending balance of cash and cash equivalents.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 26 truefalseNet increase (decrease) in cash and cash equivalents32false0us-gaap_CashAndCashEquivalentsAtCarryingValueus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsetruefalsefalseperiodstartlabel1truefalsefalse523400000523.4falsefalsefalsefalsefalse2truefalsefalse894500000894.5falsefalsefalsefalsefalse3truefalsefalse361900000361.9falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryIncludes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits should not be reported as cash and cash equivalents.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7, 26 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 8, 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7 -Footnote 1 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 falsefalseCash and cash equivalents, beginning of year33false0us-gaap_CashAndCashEquivalentsAtCarryingValueus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsetruefalseperiodendlabel1truefalsefalse571900000571.9falsetruefalsefalsefalse2truefalsefalse523400000523.4falsetruefalsefalsefalse3truefalsefalse894500000894.5falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryIncludes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits should not be reported as cash and cash equivalents.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7, 26 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 8, 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7 -Footnote 1 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 falsefalseCash and cash equivalents, end of year331CONSOLIDATED STATEMENT OF CASH FLOWS (USD $)HundredThousandsUnKnownUnKnownUnKnownfalsetrue