Common Stock and Stock-Based Awards Plans (Summary Of Stock Options) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
Jun. 30, 2021
Equity [Abstract]
Number of Options, Outstanding, Beginning balance	188
Number of Options, Exercised	(54)
Number of Options, Forfeited or expired	(2)
Number of Options, Outstanding, Ending balance	132
Weighted-Average Exercise Price, Outstanding, Beginning balance	$ 19.98
Weighted-Average Exercise Price, Exercised	19.77
Weighted-Average Exercise Price, Forfeited or expired	20.16
Weighted-Average Exercise Price, Outstanding, Ending balance	$ 20.06
Weighted-Average Remaining Contractual Term (Years), Outstanding	1 year 8 months 26 days
Aggregate Intrinsic Value, Outstanding	$ 1,108

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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