Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Statement of Income and Comprehensive Income [Abstract]
Net Income	$ 183.4	$ 122.3	$ 339.4	$ 236.1
Other comprehensive income, net of tax:
Foreign currency translation adjustments	(39.4)	13.5	(16.0)	46.5
Unrealized gain on marketable securities	0	0.2	(0.5)	0.3
Pension and postretirement liability adjustment	9.7	11.8	22.0	18.5
Change in fair value of derivative financial instruments	0.4	0.3	1.4	0.1
Other comprehensive income	(29.3)	25.8	6.9	65.4
Comprehensive Income	154.1	148.1	346.3	301.5
Less: comprehensive income attributable to noncontrolling interest	(0.2)	0.9	0	2.0
Comprehensive Income Attributable to The Timken Company	$ 154.3	$ 147.2	$ 346.3	$ 299.5

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