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Capital Stock (Tables)
12 Months Ended
Dec. 31, 2023
Equity [Abstract]  
Schedule of Changes in Outstanding Common Stock
Changes in outstanding common stock were as follows:
(In thousands of shares)202320222021
Outstanding, beginning of year111,452 109,331 107,588 
Shares issued for exercise of options— — — 
Shares issued for time vested restricted stock (net of forfeitures)129 1,918 1,368 
Shares issued for employee stock purchase plan88 203 375 
Outstanding, end of year111,669 111,452 109,331 
Schedule of Changes in Treasury Stock
Changes in treasury stock were as follows:
(In thousands of shares)202320222021
Outstanding, beginning of year21,751 16,981 16,781 
Shares purchased under our Repurchase Program6,523 4,438 — 
Shares purchased for employee stock options, restricted stock and employee stock purchase plan577 592 419 
Shares reissued for employee stock options, restricted stock and employee stock purchase plan(2,379)(260)(219)
Outstanding, end of year26,472 21,751 16,981