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Earnings Per Share - Schedule of Reconciliation of the Numerator and the Denominator of Basic Earnings Per Share and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Numerator:    
Net income attributable to The Timken Company $ 103.5 $ 122.3
Denominator:    
Weighted average number of shares outstanding - basic (in shares) 70,266,660 72,499,928
Effect of dilutive securities:    
Stock options and awards - based on the treasury stock method (in shares) 613,355 860,926
Weighted average number of shares outstanding assuming dilution of stock options and awards (in shares) 70,880,015 73,360,854
Basic earnings per share (in dollars per share) $ 1.47 $ 1.69
Diluted earnings per share (in dollars per share) $ 1.46 $ 1.67