Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Cost of products sold	$ 769.4	$ 630.9	$ 2,256.2	$ 1,848.6
Gross Profit	267.9	263.7	869.4	772.9
Selling, general and administrative expenses	140.7	132.7	434.2	398.1
Impairment and restructuring charges	2.9	12.0	8.2	18.7
Operating Income	124.3	119.0	427.0	356.1
Interest expense	(14.8)	(16.3)	(45.0)	(52.3)
Interest income	0.5	0.9	1.7	3.0
Non-service pension and other postretirement income	0.5	15.3	5.9	13.4
Other income (expense), net	1.5	(1.0)	0.3	1.1
Provision for income taxes	20.4	26.6	75.1	84.2
Net Income	91.6	91.3	314.8	237.1
Less: Net income attributable to noncontrolling interest	3.5	2.5	8.6	5.7
Net Income Attributable to The Timken Company	$ 88.1	$ 88.8	$ 306.2	$ 231.4
Net Income per Common Share Attributable to The Timken Company Common Shareholders
Basic earnings per share (in dollars per share)	$ 1.16	$ 1.18	$ 4.03	$ 3.07
Diluted earnings per share (in dollars per share)	$ 1.14	$ 1.16	$ 3.97	$ 3.04
Net sales	$ 1,037.3	$ 894.6	$ 3,125.6	$ 2,621.5
Corporate EBITDA	$ 112.0	$ 117.9	$ 389.9	$ 321.3