Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Income Statement [Abstract]
Net sales	$ 1,343.2	$ 1,329.6	$ 2,764.2	$ 2,583.7
Cost of products sold	965.9	979.1	1,975.3	1,899.9
Gross Profit	377.3	350.5	788.9	683.8
Selling, general and administrative expenses	163.0	153.7	327.7	304.0
Impairment and restructuring charges	16.7	6.2	16.9	7.3
Operating Income	197.6	190.6	444.3	372.5
Interest expense	(8.1)	(9.3)	(16.7)	(19.1)
Interest income	0.7	1.4	1.4	2.9
Receipt of Continued Dumping & Subsidy Offset Act (CDSOA) payment, net of expense	109.5	0	109.5	0
Other expense, net	(3.8)	1.1	(5.1)	(1.3)
Income Before Income Taxes	295.9	183.8	533.4	355.0
Provision for income taxes	112.5	61.5	194.0	118.9
Net Income	183.4	122.3	339.4	236.1
Less: Net income attributable to noncontrolling interest	(0.2)	0.8	0.1	1.9
Net Income Attributable to The Timken Company	$ 183.6	$ 121.5	$ 339.3	$ 234.2
Net Income per Common Share Attributable to The Timken Company Common Shareholders
Basic earnings per share	$ 1.88	$ 1.24	$ 3.47	$ 2.39
Diluted earnings per share	$ 1.86	$ 1.22	$ 3.44	$ 2.36
Dividends per share	$ 0.23	$ 0.20	$ 0.46	$ 0.38