Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net Income	$ 21.0	$ 64.5	$ 128.8	$ (32.6)
Other comprehensive income, net of tax:
Foreign currency translation adjustments	2.2	(30.9)	(1.4)	(52.1)
Pension and postretirement liability adjustment (net of the income tax benefit of $1.5 million)	15.0	13.0	27.0	120.5
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	0.0	1.2	(1.6)	0.9
Other comprehensive income	17.2	(16.7)	24.0	69.3
Comprehensive Income	38.2	47.8	152.8	36.7
Less: comprehensive (loss) income attributable to noncontrolling interest	0.9	0.0	2.1	0.9
Comprehensive Income attributable to The Timken Company	$ 37.3	$ 47.8	$ 150.7	$ 35.8