Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

A reconciliation of the common shares used in the denominator for computing basic and diluted EPS is as follows:

	Year Ended December 31,
(in thousands, except per share amounts)	2020		2019		2018
Weighted average common shares outstanding, used in computing basic earnings per share	66,376		67,837		69,614
Effect of dilutive stock options and restricted stock units	396		656		787
Weighted average common shares outstanding, used in computing diluted earnings per share	66,772		68,493		70,401
Earnings per share of common stock attributable to Columbia Sportswear Company:
Basic	$	1.63	$	4.87	$	3.85
Diluted	$	1.62	$	4.83	$	3.81