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Earnings Per Share
 12 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
Earnings Per Share
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: 
 
2012
2011
2010
Numerator:
 
 
 
Net Income Attributable to The Timken Company
$
495.5

$
454.3

$
267.4

Less: undistributed earnings allocated to nonvested stock
(1.5
)
(1.6
)
(1.2
)
Net income available to common shareholders for basic earnings
  per share and diluted earnings per share
$
494.0

$
452.7

$
266.2

Denominator:
 
 
 
Weighted-average number of shares outstanding – basic
96,671,613

97,451,064

96,535,273

Effect of dilutive securities:
 
 
 
Stock options and awards - based on the treasury
   stock method
930,868

1,204,449

980,929

Weighted-average number of shares outstanding, assuming
dilution of stock options and awards
97,602,481

98,655,513

97,516,202

Basic earnings per share from continued operations
$
5.11

$
4.65

$
2.76

Diluted earnings per share from continued operations
$
5.07

$
4.59

$
2.73



The exercise prices for certain stock options that the Company has awarded exceed the average market price of the Company’s common stock. Such stock options are antidilutive and were not included in the computation of diluted earnings per share. The antidilutive stock options outstanding were 879,413, 436,580 and 980,477 during 2012, 2011 and 2010, respectively.