Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Reconciliation of the numerator and the denominator of basic earnings per share and diluted earnings per share

The following table sets forth the reconciliation of the numerator and the denominator of basic earnings per share and diluted earnings per share for the years ended December 31, 2020, 2019 and 2018: 

	2020		2019		2018
Numerator:
Net income attributable to The Timken Company	$	284.5	$	362.1	$	302.8
Less: undistributed earnings allocated to nonvested stock	—		—		—
Net income available to common shareholders for basic and diluted earnings per share	$	284.5	$	362.1	$	302.8
Denominator:
Weighted average number of shares outstanding - basic	75,354,280		75,758,123		77,119,602
Effect of dilutive securities:
Stock options and awards - based on the treasury stock method	1,047,086		1,138,442		1,217,879
Weighted average number of shares outstanding, assuming dilution of stock options and awards	76,401,366		76,896,565		78,337,481
Basic earnings per share	$	3.78	$	4.78	$	3.93
Diluted earnings per share	$	3.72	$	4.71	$	3.86