Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Cost of products sold	$ 760.6	$ 573.2	$ 1,486.8	$ 1,217.7
Gross Profit	302.3	230.3	601.5	509.2
Selling, general and administrative expenses	149.0	111.8	293.5	265.4
Impairment and restructuring charges	1.3	3.1	5.3	6.7
Operating Income	152.0	115.4	302.7	237.1
Interest expense	(15.3)	(18.9)	(30.2)	(36.0)
Interest income	0.7	0.6	1.2	2.1
Non-service pension and other postretirement income (expense)	1.4	(5.3)	5.4	(1.9)
Other (expense) income, net	(2.2)	(2.0)	(1.2)	2.1
Income Before Income Taxes	136.6	89.8	277.9	203.4
Provision for income taxes	29.4	28.0	54.7	57.6
Net Income	107.2	61.8	223.2	145.8
Less: Net income (loss) attributable to noncontrolling interest	2.4	(0.1)	5.1	3.2
Net Income Attributable to The Timken Company	$ 104.8	$ 61.9	$ 218.1	$ 142.6
Net Income per Common Share Attributable to The Timken Company Common Shareholders
Basic earnings per share (in dollars per share)	$ 1.38	$ 0.82	$ 2.87	$ 1.89
Diluted earnings per share (in dollars per share)	$ 1.36	$ 0.82	$ 2.82	$ 1.88
Net sales	$ 1,062.9	$ 803.5	$ 2,088.3	$ 1,726.9