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Shareholders' Equity (Common Stock Issued With The Exercise Of Stock Options) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Stockholders' Equity Note [Abstract] |  |
Shares issued (in actual number of shares) | 27,135 | 22,396
Proceeds from the exercise of stock options | $ 1.3 | $ 0.9
Average exercise price per share (in dollars per share) | $ 47.57 | $ 38.21

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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(02) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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