Capital Stock (Details 2) - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Common Stock
Common Stock, Shares, Issued	116,358,520	115,906,393	115,430,042
Treasury stock, beginning balance (in shares)	36,868,880	36,690,847	36,505,672
Common Stock, Shares, Outstanding, Beginning Balance	79,489,640	79,215,546	78,924,370
Vested Restricted Stock Units (in shares)	124,106	87,765	305,535
Stock Issued During Period, Shares, Other			124,077
Stock issued during period, stock appreciation rights (in shares)		23,311	46,739
Shares outstanding at the end of the period	116,884,011	116,358,520	115,906,393
Treasury stock, ending balance (in shares)	37,049,176	36,868,880	36,690,847
Common Stock, Shares, Outstanding	79,834,835	79,489,640	79,215,546
Stock Issued During Period, Shares, Restricted Stock Award, Gross	401,385	341,051
Treasury
Common Stock
Vested Restricted Stock Units (in shares)	57,637	40,304	112,275
Stock Issued During Period, Shares, Other			54,950
Stock issued during period, stock appreciation rights (in shares)		6,640	17,950
Stock Issued During Period, Shares, Restricted Stock Award, Gross	122,659	131,089
Outstanding Shares
Common Stock
Vested Restricted Stock Units (in shares)	66,469	47,461	193,260
Stock Issued During Period, Shares, Other			69,127
Stock issued during period, stock appreciation rights (in shares)		16,671	28,789
Stock Issued During Period, Shares, Restricted Stock Award, Gross	278,726	209,962