CAPITAL STOCK (Tables)

12 Months Ended

Dec. 31, 2022

CAPITAL STOCK

Schedule of number of shares of common stock and treasury stock and the share activity

The number of shares of common stock and treasury stock and the share activity were as follows:

	Common Shares			Treasury Shares
	2022	2021	2020	2022	2021	2020
Balance at the beginning of the year	70,370,812	69,516,805	68,608,508	4,852,709	4,528,051	4,836,027
Employee option exercises	301,463	634,572	802,046	(157,682)	(290,316)	(307,976)
Director option exercises	—	47,500	26,551	—	—	—
Restricted stock vestings	176,535	171,935	79,700	—	—	—
Common stock repurchases	—	—	—	860,000	614,974	—
Balance at the end of the year	70,848,810	70,370,812	69,516,805	5,555,027	4,852,709	4,528,051