Capital Stock, Weighted Average Shares Outstanding (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Weighted Average Shares Outstanding [Abstract]
Basic weighted-average common shares outstanding (in shares)	50,193	52,296	55,518
Effect of Dilutive Securities [Abstract]
Stock awards and options (in shares)	1,234	469	409
Diluted weighted-average common shares outstanding (in shares)	51,427	52,765	55,927
Stock Options [Member]
Weighted Average Shares Outstanding [Abstract]
Anti-dilutive shares excluded from calculation of diluted earnings per share (in shares)	100	400	1,400