1.0.0.3 false Consolidated Income Statements (USD $) In Millions, except Per Share data false 1 $ false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 2 $ false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 3 $ false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 2 Consolidated Income Statements [Abstract] 0 us-gaap_IncomeStatementAbstract 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 3 false false 0 0 false false No definition available. false 3 Revenues 1 us-gaap_Revenues us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 true true 5069600000 5069.6 false false 2 true true 6521300000 6521.3 false false 3 true true 5903100000 5903.1 false false No definition available. No authoritative reference available. false 4 Cost of sales 1 us-gaap_CostOfRevenue us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 3483800000 3483.8 false false 2 false true 4396700000 4396.7 false false 3 false true 3970000000 3970.0 false false No definition available. No authoritative reference available. false 5 Selling and administrative expenses 1 us-gaap_SellingGeneralAndAdministrativeExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 1011800000 1011.8 false false 2 false true 1194600000 1194.6 false false 3 false true 1089000000 1089.0 false false No definition available. No authoritative reference available. false 6 Restructuring and asset impairment charges 1 us-gaap_RestructuringSettlementAndImpairmentProvisions us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 29900000 29.9 false false 2 false true 52400000 52.4 false false 3 false true 0 0 false false No definition available. No authoritative reference available. true 7 Operating earnings 1 us-gaap_OperatingIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 544100000 544.1 false false 2 false true 877600000 877.6 false false 3 false true 844100000 844.1 false false No definition available. No authoritative reference available. true 8 Income from Belden agreement 1 us-gaap_OtherNonoperatingIncome 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 0 0 false false 3 false true 33100000 33.1 false false No definition available. No authoritative reference available. false 9 Interest expense, net 1 us-gaap_InterestIncomeExpenseNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 61400000 61.4 false false 2 false true 70400000 70.4 false false 3 false true 51000000 51.0 false false No definition available. No authoritative reference available. true 10 Income from continuing operations before income taxes 1 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 482700000 482.7 false false 2 false true 807200000 807.2 false false 3 false true 826200000 826.2 false false No definition available. No authoritative reference available. false 11 Income taxes expense 1 us-gaap_IncomeTaxExpenseBenefit us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 69100000 69.1 false false 2 false true 191600000 191.6 false false 3 false true 133900000 133.9 false false No definition available. No authoritative reference available. true 12 Income from continuing operations 1 us-gaap_IncomeLossFromContinuingOperations us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 413600000 413.6 false false 2 false true 615600000 615.6 false false 3 false true 692300000 692.3 false false No definition available. No authoritative reference available. false 13 Income related to discontinued operations, net of income taxes 1 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 25500000 25.5 false false 2 false true 16600000 16.6 false false 3 false true 0 0 false false No definition available. No authoritative reference available. true 14 Net income 1 us-gaap_NetIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 true true 439100000 439.1 false false 2 true true 632200000 632.2 false false 3 true true 692300000 692.3 false false No definition available. No authoritative reference available. true 16 Basic: 2 us-gaap_EarningsPerShareBasicAbstract 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 3 false false 0 0 false false No definition available. false 17 Income from continuing operations 3 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 2.47 2.47 false false 2 true true 3.54 3.54 false false 3 true true 3.8 3.8 false false No definition available. No authoritative reference available. false 18 Income from discontinued operations 3 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 0.15 0.15 false false 2 true true 0.1 0.1 false false 3 true true 0 0 false false No definition available. No authoritative reference available. true 19 Net income 3 us-gaap_EarningsPerShareBasic us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 2.62 2.62 false false 2 true true 3.64 3.64 false false 3 true true 3.8 3.8 false false No definition available. No authoritative reference available. true 20 Diluted: 2 us-gaap_EarningsPerShareDilutedAbstract 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 3 false false 0 0 false false No definition available. false 21 Income from continuing operations 3 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 2.46 2.46 false false 2 true true 3.51 3.51 false false 3 true true 3.73 3.73 false false No definition available. No authoritative reference available. false 22 Income from discontinued operations 3 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 0.15 0.15 false false 2 true true 0.09 0.09 false false 3 true true 0 0 false false No definition available. No authoritative reference available. true 23 Net income 3 us-gaap_EarningsPerShareDiluted us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 2.61 2.61 false false 2 true true 3.6 3.6 false false 3 true true 3.73 3.73 false false No definition available. No authoritative reference available. true 24 Cash dividends declared per common share 1 us-gaap_CommonStockDividendsPerShareDeclared us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 1 1 false false 2 true true 1 1 false false 3 true true 0.84 0.84 false false No definition available. No authoritative reference available. true false 3 22 false HundredThousands UnKnown Hundreds false true