1.0.0.3 false CONSOLIDATED CONDENSED RESULTS OF OPERATIONS (USD $) In Thousands, except Per Share data false 1 $ false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u001 Standard http://www.xbrl.org/2003/instance shares xbrli 0 u002 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 2 $ false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u001 Standard http://www.xbrl.org/2003/instance shares xbrli 0 u002 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 3 $ false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u001 Standard http://www.xbrl.org/2003/instance shares xbrli 0 u002 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 4 $ false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u001 Standard http://www.xbrl.org/2003/instance shares xbrli 0 u002 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 5 Net Income 3 us-gaap_NetIncomeLossAbstract 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 4 false false 0 0 false false No definition available. false 6 REVENUES 4 us-gaap_SalesRevenueNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 true true 1231791000 1231791 false false 2 true true 1504733000 1504733 false false 3 true true 3758852000 3758852 false false 4 true true 4324621000 4324621 false false No definition available. No authoritative reference available. true 7 COSTS AND EXPENSES 4 us-gaap_CostsAndExpensesAbstract 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 4 false false 0 0 false false No definition available. false 8 Cost of sales (exclusive of depreciation and amortization shown separately below) 5 us-gaap_CostOfGoodsAndServicesSold us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 828012000 828012 false false 2 false true 1050826000 1050826 false false 3 false true 2512454000 2512454 false false 4 false true 3079429000 3079429 false false No definition available. No authoritative reference available. false 9 Selling and administrative expenses 5 us-gaap_SellingGeneralAndAdministrativeExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 169739000 169739 false false 2 false true 165308000 165308 false false 3 false true 517243000 517243 false false 4 false true 484509000 484509 false false No definition available. No authoritative reference available. false 10 Depreciation and amortization 5 us-gaap_DepreciationAndAmortization us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 38347000 38347 false false 2 false true 32496000 32496 false false 3 false true 112314000 112314 false false 4 false true 95711000 95711 false false No definition available. No authoritative reference available. false 11 Interest income 5 us-gaap_InterestIncomeOperating us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -1374000 -1374 false false 2 false true -9692000 -9692 false false 3 false true -5401000 -5401 false false 4 false true -22236000 -22236 false false No definition available. No authoritative reference available. false 12 Interest expense 5 us-gaap_InterestExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 22598000 22598 false false 2 false true 23625000 23625 [1] false false 3 false true 73758000 73758 false false 4 false true 46118000 46118 [1] false false No definition available. No authoritative reference available. false 13 Restructuring expense 5 us-gaap_RestructuringSettlementAndImpairmentProvisions us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 5853000 5853 false false 2 false true 0 0 false false 3 false true 39033000 39033 false false 4 false true 0 0 false false No definition available. No authoritative reference available. false 14 Total costs and expenses 5 us-gaap_CostsAndExpenses us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 1063175000 1063175 false false 2 false true 1262563000 1262563 [1] false false 3 false true 3249401000 3249401 false false 4 false true 3683531000 3683531 [1] false false No definition available. No authoritative reference available. true 15 Income before income taxes 4 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 168616000 168616 false false 2 false true 242170000 242170 [1] false false 3 false true 509451000 509451 false false 4 false true 641090000 641090 [1] false false No definition available. No authoritative reference available. false 16 Income tax provision 4 us-gaap_IncomeTaxExpenseBenefit us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -43672000 -43672 false false 2 false true -79190000 -79190 [1] false false 3 false true -131266000 -131266 false false 4 false true -206343000 -206343 [1] false false No definition available. No authoritative reference available. false 17 Net Income 4 us-gaap_NetIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 true true 124944000 124944 false false 2 true true 162980000 162980 [1] false false 3 true true 378185000 378185 false false 4 true true 434747000 434747 [1] false false No definition available. No authoritative reference available. true 18 Earnings per common share: 4 us-gaap_EarningsPerShareAbstract 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 4 false false 0 0 false false No definition available. false 19 Earnings Per Share, Basic 5 us-gaap_EarningsPerShareBasic us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 0.57 0.57 false false 2 true true 0.75 0.75 [1] false false 3 true true 1.74 1.74 false false 4 true true 2.00 2.00 [1] false false No definition available. No authoritative reference available. false 20 Earnings Per Share, Diluted 5 us-gaap_EarningsPerShareDiluted us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 0.56 0.56 false false 2 true true 0.71 0.71 [1] false false 3 true true 1.71 1.71 false false 4 true true 1.88 1.88 [1] false false No definition available. No authoritative reference available. false 21 Shares used in computing earnings per common share: 4 cam_SharesUsedInComputingEarningsPerCommonShareAbstract cam false 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 4 false false 0 0 false false No definition available. false 22 Weighted Average Number of Shares Outstanding, Basic 5 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic us-gaap true na duration shares No definition available. false false false false false false false false false 1 false true 219537000 219537 false false 2 false true 218478000 218478 false false 3 false true 217837000 217837 false false 4 false true 217286000 217286 false false No definition available. No authoritative reference available. false 23 Weighted Average Number of Shares Outstanding, Diluted 5 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding us-gaap true na duration shares No definition available. false false false false false false false false false 1 false true 221912000 221912 false false 2 false true 229219000 229219 false false 3 false true 221246000 221246 false false 4 false true 230953000 230953 false false No definition available. No authoritative reference available. false 1 Amounts have been retrospectively revised as a result of the adoption, effective January 1, 2009, of FASB Accounting Standards Codification Topic 470-20, Debt with Conversion and Other Options. false 4 19 false Thousands Thousands Hundreds false true