Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Basic and diluted earnings per share

Basic and diluted EPS were calculated as follows:

(In thousands, except per share amounts)	December 31, 2022		January 1, 2022		January 2, 2021
Net Income Attributable to Kadant	$	120,928	$	84,043	$	55,196
Basic Weighted Average Shares	11,654		11,579		11,482
Effect of Stock Options, Restricted Stock Units and Employee Stock Purchase Plan Shares	34		76		82
Diluted Weighted Average Shares	11,688		11,655		11,564
Basic Earnings per Share	$	10.38	$	7.26	$	4.81
Diluted Earnings per Share	$	10.35	$	7.21	$	4.77