Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net sales	$ 4,132.9	$ 3,513.2	$ 3,789.9
Cost of products sold	3,030.4	2,503.3	2,648.1
Gross Profit	1,102.5	1,009.9	1,141.8
Selling, general and administrative expenses	580.5	533.8	618.6
Impairment and restructuring charges	8.9	21.2	6.8
Operating Income	513.1	454.9	516.4
Interest expense	(58.8)	(67.6)	(72.1)
Interest income	2.3	3.7	4.9
Non-service pension and other postretirement income (expense)	18.3	(4.7)	10.2
Other income (expense), net	0.8	(1.1)	13.0
Acquisition-related gain	0.9	11.1	0.0
Income Before Income Taxes	476.6	396.3	472.4
Provision for income taxes	95.1	103.9	97.7
Net Income	381.5	292.4	374.7
Less: Net income attributable to noncontrolling interest	12.4	7.9	12.6
Net Income Attributable to The Timken Company	$ 369.1	$ 284.5	$ 362.1
Net Income per Common Share Attributable to The Timken Company Common Shareholders
Basic earnings per share (in dollars per share)	$ 4.86	$ 3.78	$ 4.78
Diluted earnings per share (in dollars per share)	$ 4.79	$ 3.72	$ 4.71