Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Numerator:
Net Income attributable to The Timken Company	$	183.6	$	121.5	$	339.3	$	234.2
Less: undistributed earnings allocated to nonvested stock	0.6		0.4		1.2		0.9
Net income available to common shareholders for basic   earnings per share and diluted earnings per share	$	183.0	$	121.1	$	338.1	$	233.3
Denominator:
Weighted average number of shares outstanding – basic	97,265,627		97,644,773		97,355,740		97,552,528
Effect of dilutive securities:
Stock options and awards - based on the treasury    stock method	938,578		1,255,219		1,017,617		1,353,328
Weighted average number of shares outstanding, assuming    dilution of stock options and awards	98,204,205		98,899,992		98,373,357		98,905,856
Basic earnings per share	$	1.88	$	1.24	$	3.47	$	2.39
Diluted earnings per share	$	1.86	$	1.22	$	3.44	$	2.36