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Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2019	Dec. 31, 2018
Consolidated Balance Sheets
Common stock, Par value (in dollars per share)	$ 1.00	$ 1.00
Common Stock, Shares authorized	60,000,000	60,000,000
Common stock, Shares issued	34,853,757	34,719,517
Common stock, Shares outstanding	29,931,809	29,763,078
Treasury stock, Shares	4,921,948	4,956,439

X

- Definition

Face amount or stated value per share of common stock.

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-Topic 210
-SubTopic 10
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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Number of previously issued common shares repurchased by the issuing entity and held in treasury.

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