Capital Stock (Tables)

9 Months Ended

Sep. 30, 2021

Equity [Abstract]

Common Stock Activity

Common stock activity is summarized as follows:

	Three Months Ended September 30, 2021				Three Months Ended September 30, 2020
(In thousands)	Common Stock		Treasury Cost		Common Stock		Treasury Cost
Balance at beginning of period	$	253,773	$	(329,439)	$	233,786	$	(327,997)
Stock compensation expense	2,867		—		(1,309)		—
Restricted and performance stock awards	(159)		159		(50)		50
Stock options exercised	354		155		2,276		954
Treasury shares purchased	—		(625)		—		(439)
Acquisition of noncontrolling interest in consolidated subsidiaries (Note 19)	(4,751)		—		—		—
Balance at end of period	$	252,084	$	(329,750)	$	234,703	$	(327,432)

	Nine Months Ended September 30, 2021				Nine Months Ended September 30, 2020
(In thousands)	Common Stock		Treasury Cost		Common Stock		Treasury Cost
Balance at beginning of period	$	242,693	$	(326,156)	$	229,127	$	(303,566)
Stock compensation expense	13,562		—		3,042		—
Restricted and performance stock awards	(1,662)		1,662		(2,513)		2,513
Stock options exercised	1,833		838		4,709		2,260
Treasury shares purchased	—		(6,137)		—		(8,578)
Acquisition of noncontrolling interest in consolidated subsidiaries (Note 19)	(4,751)		—		—		—
Employee stock purchase program	409		43		338		52
Share repurchase program	—		—		—		(20,113)
Balance at end of period	$	252,084	$	(329,750)	234,703		(327,432)