Earnings Per Share

9 Months Ended

Sep. 30, 2018

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 three and nine months ended September 30, 2018 and 2017, respectively:



	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Numerator:
Net income attributable to The Timken Company	$	71.6	$	53.5	$	242.8	$	174.2
Less: undistributed earnings allocated to nonvested stock	—		—		—		—
Net income available to common shareholders for basic and diluted earnings per share	$	71.6	$	53.5	$	242.8	$	174.2
Denominator:
Weighted average number of shares outstanding - basic	76,903,395		77,694,974		77,332,209		77,766,828
Effect of dilutive securities:
Stock options and awards - based on the treasury stock method	1,524,710		1,109,322		1,313,294		1,123,102
Weighted average number of shares outstanding, assuming dilution of stock options and awards	78,428,105		78,804,296		78,645,503		78,889,930
Basic earnings per share	$	0.93	$	0.69	$	3.14	$	2.24
Diluted earnings per share	$	0.91	$	0.68	$	3.09	$	2.21

The exercise prices for certain stock options that the Company has awarded exceeded the average market price of the Company’s common shares during each period presented. Such stock options are antidilutive and were not included in the computation of diluted earnings per share. The antidilutive stock options outstanding during the three months ended September 30, 2018 and 2017 were 923,588 and 473,694, respectively. During the nine months ended September 30, 2018 and 2017, the antidilutive stock options outstanding were 852,318 and 529,020, respectively.