Earnings Per Share (Basic And Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified
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3 Months Ended |
12 Months Ended |
Dec. 31, 2014
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Sep. 30, 2014
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Jun. 30, 2014
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Mar. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Net income |
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Continuing operations |
$ 68,331us-gaap_IncomeLossFromContinuingOperations
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[1] |
$ 39,531us-gaap_IncomeLossFromContinuingOperations
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$ 40,940us-gaap_IncomeLossFromContinuingOperations
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$ 24,182us-gaap_IncomeLossFromContinuingOperations
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[2] |
$ 61,573us-gaap_IncomeLossFromContinuingOperations
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[3] |
$ 42,052us-gaap_IncomeLossFromContinuingOperations
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[4] |
$ 43,271us-gaap_IncomeLossFromContinuingOperations
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$ 31,553us-gaap_IncomeLossFromContinuingOperations
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$ 172,984us-gaap_IncomeLossFromContinuingOperations
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$ 178,449us-gaap_IncomeLossFromContinuingOperations
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$ 136,497us-gaap_IncomeLossFromContinuingOperations
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[5] |
Discontinued operations |
0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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[1] |
0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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[2] |
0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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[3] |
0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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[4] |
(9)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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9us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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5,822us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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Net income |
$ 68,331us-gaap_NetIncomeLoss
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[1] |
$ 39,531us-gaap_NetIncomeLoss
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$ 40,940us-gaap_NetIncomeLoss
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$ 24,182us-gaap_NetIncomeLoss
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[2] |
$ 61,573us-gaap_NetIncomeLoss
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[3] |
$ 42,052us-gaap_NetIncomeLoss
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[4] |
$ 43,280us-gaap_NetIncomeLoss
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$ 31,544us-gaap_NetIncomeLoss
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$ 172,984us-gaap_NetIncomeLoss
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[6],[7] |
$ 178,449us-gaap_NetIncomeLoss
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[8] |
$ 130,675us-gaap_NetIncomeLoss
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[5] |
Weighted average number of shares outstanding: |
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Basic (shares) |
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52,736us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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53,640us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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56,314us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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Dilutive effect of stock-based compensation awards (shares) |
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897us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
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1,217us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
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1,642us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
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Diluted (shares) |
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53,633us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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54,857us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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57,956us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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Net income (loss) per share - basic: |
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Continuing operations (usd per share) |
$ 1.30us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
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[1] |
$ 0.75us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
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$ 0.77us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
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$ 0.45us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
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[2] |
$ 1.16us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
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[3] |
$ 0.79us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
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[4] |
$ 0.81us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
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$ 0.58us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
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$ 3.28us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
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$ 3.33us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
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$ 2.42us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
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Discontinued operations (usd per share) |
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$ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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$ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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$ (0.10)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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Net income (usd per share) |
$ 1.30us-gaap_EarningsPerShareBasic
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[1] |
$ 0.75us-gaap_EarningsPerShareBasic
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$ 0.77us-gaap_EarningsPerShareBasic
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$ 0.45us-gaap_EarningsPerShareBasic
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[2] |
$ 1.16us-gaap_EarningsPerShareBasic
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[3] |
$ 0.79us-gaap_EarningsPerShareBasic
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[4] |
$ 0.81us-gaap_EarningsPerShareBasic
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$ 0.58us-gaap_EarningsPerShareBasic
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$ 3.28us-gaap_EarningsPerShareBasic
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$ 3.33us-gaap_EarningsPerShareBasic
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$ 2.32us-gaap_EarningsPerShareBasic
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Net income (loss) per share - diluted: |
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Continuing operations (usd per share) |
$ 1.28us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
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[1] |
$ 0.74us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
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$ 0.76us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
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$ 0.45us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
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[2] |
$ 1.14us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
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[3] |
$ 0.77us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
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[4] |
$ 0.79us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
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$ 0.56us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
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$ 3.23us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
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$ 3.25us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
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$ 2.36us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
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Discontinued operations (usd per share) |
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$ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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$ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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$ (0.11)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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Net income (usd per share) |
$ 1.28us-gaap_EarningsPerShareDiluted
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[1] |
$ 0.74us-gaap_EarningsPerShareDiluted
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$ 0.76us-gaap_EarningsPerShareDiluted
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$ 0.45us-gaap_EarningsPerShareDiluted
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[2] |
$ 1.14us-gaap_EarningsPerShareDiluted
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[3] |
$ 0.77us-gaap_EarningsPerShareDiluted
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[4] |
$ 0.79us-gaap_EarningsPerShareDiluted
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$ 0.56us-gaap_EarningsPerShareDiluted
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$ 3.23us-gaap_EarningsPerShareDiluted
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$ 3.25us-gaap_EarningsPerShareDiluted
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$ 2.25us-gaap_EarningsPerShareDiluted
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Unexercised employee stock options and stock appreciation rights and unvested restricted stock units excluded from the diluted EPS calculation because their effect would have been antidilutive |
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763us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
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432us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
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1,276us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
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