Common Stock and Stock-Based Awards Plans (Summary Of Stock Options) (Details) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($) $ / shares shares
Equity [Abstract]
Number of Options, Outstanding, Beginning balance \| shares	132
Number of Options, Exercised \| shares	(39)
Number of Options, Forfeited or expired \| shares	(2)
Number of Options, Outstanding, Ending balance \| shares	91
Weighted-Average Exercise Price, Outstanding, Beginning balance \| $ / shares	$ 20.06
Weighted-Average Exercise Price, Exercised \| $ / shares	16.33
Weighted-Average Exercise Price, Forfeited or expired \| $ / shares	16.03
Weighted-Average Exercise Price, Outstanding, Ending balance \| $ / shares	$ 21.75
Weighted-Average Remaining Contractual Term (Years), Outstanding	2 years
Aggregate Intrinsic Value, Outstanding \| $	$ 305

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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

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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