Earnings Per Share - Reconciliation of Earnings Per Share Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 25, 2022	Sep. 30, 2023	Sep. 25, 2022
Numerator:
Net income attributable to Harley-Davidson, Inc.	$ 198,649	$ 261,186	$ 680,778	$ 699,537
Weighted Average Number of Shares Outstanding Reconciliation
Basic weighted-average shares outstanding (in shares)	141,622	146,217	143,678	148,673
Effect of dilutive securities - employee stock compensation plan (in shares)	2,699	856	2,652	862
Diluted weighted-average shares outstanding (in shares)	144,321	147,073	146,330	149,535
Net earnings per share:
Basic (in dollars per share)	$ 1.40	$ 1.79	$ 4.74	$ 4.71
Diluted (in dollars per share)	$ 1.38	$ 1.78	$ 4.65	$ 4.68