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Capital Stock (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure Capital Stock Additional Information [Abstract]

Schedule Of Common Stock Activity

Common stock activity is summarized as follows:


						Shares												Dollars
(Dollars in thousands)						Issued						Treasury						Common Stock						Treasury Cost
Balances January 1, 2018						62,081,391						(23,858,463)						$	194,953					$	(296,081)
Restricted stock awards						—						92,401						(1,079)						1,079
Restricted stock expense						—						—						6,504						—
Restricted stock forfeitures						—						—						(283)
Stock options exercised						—						215,724						5,738						2,835
Stock option expense												—						272						—
Stock option forfeitures						—						—						(55)						—
Performance stock issued						—						41,660						(523)						523
Performance stock expense						—						—						6,186						—
Performance stock forfeitures												—						(385)						—
Employee stock purchase plan						—						7,725						478						78
Treasury shares purchased for stock compensation programs						—						(53,915)						—						(4,824)


Balances December 31, 2018						62,081,391						(23,554,868)						$	211,806					$	(296,390)
Restricted stock awards						—						96,893						(1,253)						1,253
Restricted stock expense						—						—						7,397						—
Restricted stock forfeitures						—						—						(483)						—
Stock options exercised						—						193,681						5,107						2,364
Stock option expense						—						—						492						—
Stock option forfeitures						—						—						(5)						—
Performance stock issued						—						139,478						(1,778)						1,778
Performance stock expense						—						—						6,574						—
Performance stock forfeitures						—						—						(215)						—
Stock consideration in acquisition						—						—						921						—
Employee stock purchase plan						—						5,895						564						77
Treasury shares purchased for stock compensation programs						—						(87,811)						—						(9,301)
Share repurchase program						—						(33,465)						—						(3,347)
Balances December 31, 2019						62,081,391						(23,240,197)						$	229,127					$	(303,566)
Restricted stock awards						—						55,691						(773)						773
Restricted stock expense						—						—						7,065						—
Restricted stock forfeitures						—						—						(807)						—
Stock options exercised						—						274,672						8,590						3,856
Stock option expense						—						—						153						—
Stock option forfeitures						—						—						(40)						—
Performance stock issued						—						134,824						(1,826)						1,826
Performance stock expense						—						—						1,305						—
Performance stock forfeitures						—						—						(755)						—

Employee stock purchase plan						—						6,494						654						93
Treasury shares purchased for stock compensation programs						—						(69,973)						—						(9,025)
Share repurchase program						—						(175,000)						—						(20,113)
Balances December 31, 2020						62,081,391						(23,013,489)						$	242,693					$	(326,156)