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Earnings Per Share (Schedule Of Reconciliation Of Basic And Diluted Shares Of Common Stock Outstanding Used In Calculation Of Earnings Per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Weighted average number of shares outstanding - basic |  |  |  |  |  |  |  |  | 32,567 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 32,007 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 29,817 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Weighted average number of shares outstanding - diluted |  |  |  |  |  |  |  |  | 32,567 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 32,007 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 29,817 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Loss from continuing operations per share, Basic | $ (0.03)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.01)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.14)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.10)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.02 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.11)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.13)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.12)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.28)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.35)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.03)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Loss from continuing operations per share, Diluted | $ (0.03)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.01)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.14)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.10)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.02 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.11)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.13)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.12)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.28)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.35)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.03)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Income from discontinued operations per share, Basic | $ 0.03 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.64 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ (0.01)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.06 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare |  | $ 0.07 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.06 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.02 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.71 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.17 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ 0.10 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
Income from discontinued operations per share, Diluted | $ 0.03 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.64 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ (0.01)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.06 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare |  | $ 0.07 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.06 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.02 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.71 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.17 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ 0.10 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
Basic net income (loss) per share | $ 0.00 us-gaap_EarningsPerShareBasic | $ 0.63 us-gaap_EarningsPerShareBasic | $ (0.15)us-gaap_EarningsPerShareBasic | $ (0.04)us-gaap_EarningsPerShareBasic | $ 0.02 us-gaap_EarningsPerShareBasic | $ (0.04)us-gaap_EarningsPerShareBasic | $ (0.07)us-gaap_EarningsPerShareBasic | $ (0.10)us-gaap_EarningsPerShareBasic | $ 0.43 us-gaap_EarningsPerShareBasic | $ (0.18)us-gaap_EarningsPerShareBasic | $ 0.07 us-gaap_EarningsPerShareBasic
Diluted net income (loss) per share | $ 0.00 us-gaap_EarningsPerShareDiluted | $ 0.63 us-gaap_EarningsPerShareDiluted | $ (0.15)us-gaap_EarningsPerShareDiluted | $ (0.04)us-gaap_EarningsPerShareDiluted | $ 0.02 us-gaap_EarningsPerShareDiluted | $ (0.04)us-gaap_EarningsPerShareDiluted | $ (0.07)us-gaap_EarningsPerShareDiluted | $ (0.10)us-gaap_EarningsPerShareDiluted | $ 0.43 us-gaap_EarningsPerShareDiluted | $ (0.18)us-gaap_EarningsPerShareDiluted | $ 0.07 us-gaap_EarningsPerShareDiluted

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