Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net Income	$ 62.9	$ (134.8)
Other comprehensive income, net of tax:
Foreign currency translation adjustments	14.8	(27.8)
Pension and postretirement liability adjustment (net of the income tax benefit of $1.5 million)	3.7	105.1
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(2.3)	0.0
Other comprehensive income	16.2	77.3
Comprehensive Income	79.1	(57.5)
Less: comprehensive (loss) income attributable to noncontrolling interest	1.0	0.4
Comprehensive Income attributable to The Timken Company	$ 78.1	$ (57.9)