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
Mar. 31, 2015	Mar. 31, 2014
Earnings Per Share [Abstract]
Weighted average number of shares outstanding - basic	32,704	32,474
Effect of dilutive stock awards
Weighted average number of shares outstanding - diluted	32,704	32,474
Loss from continuing operations per share, Basic	$ (0.05)	$ (0.10)
Loss from continuing operations per share, Diluted	$ (0.05)	$ (0.10)
Income from discontinued operations per share, Basic		$ 0.06
Income from discontinued operations per share, Diluted		$ 0.06
Basic net income (loss) per share	$ (0.05)us-gaap_EarningsPerShareBasic	$ (0.04)us-gaap_EarningsPerShareBasic
Diluted net income (loss) per share	$ (0.05)us-gaap_EarningsPerShareDiluted	$ (0.04)us-gaap_EarningsPerShareDiluted

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

Mar. 31, 2015

Mar. 31, 2014

Earnings Per Share [Abstract]

Weighted average number of shares outstanding - basic

32,704us-gaap_WeightedAverageNumberOfSharesOutstandingBasic

32,474us-gaap_WeightedAverageNumberOfSharesOutstandingBasic

Effect of dilutive stock awards

Weighted average number of shares outstanding - diluted

32,704us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

32,474us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

Loss from continuing operations per share, Basic

$ (0.05)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare

$ (0.10)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare

Loss from continuing operations per share, Diluted

$ (0.05)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare

$ (0.10)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare

Income from discontinued operations per share, Basic

$ 0.06us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare

Income from discontinued operations per share, Diluted

$ 0.06us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare

Basic net income (loss) per share

$ (0.05)us-gaap_EarningsPerShareBasic

$ (0.04)us-gaap_EarningsPerShareBasic

Diluted net income (loss) per share

$ (0.05)us-gaap_EarningsPerShareDiluted

$ (0.04)us-gaap_EarningsPerShareDiluted

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