Capital Stock (Tables)

12 Months Ended

Dec. 31, 2019

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, 2017	62,081,391	(24,344,813	)	$	172,681		$	(287,501	)
Restricted stock awards	—	34,798		(422		)	422
Restricted stock expense	—	—		4,746			—
Restricted stock forfeitures	—	(690	)	(49		)	(6		)
Stock options exercised	—	620,646		10,901			7,564
Stock option expense		—		380			—
Performance stock issued	—	72,504		(866		)	866
Performance stock expense	—	—		6,687			—
Employee stock purchase plan	—	7,127		445			87
Treasury shares purchased for stock compensation programs	—	(79,094	)	—			(5,732		)
Share repurchase program	—	(168,941	)	—			(11,781		)
Acquisition of noncontrolling interest	—	—		450			—
Balances December 31, 2017	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 (Note 13)	—	—		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	)