Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 2,735.0	$ 2,436.3	$ 2,702.4	$ 2,352.9
Sale of shares of Timken India Limited	5.6	8.1	5.6	8.1
Other comprehensive income (loss) before reclassifications and income taxes	(28.6)	(28.9)	(77.6)	(2.0)
Amounts reclassified from accumulated other comprehensive (loss) income before income taxes	(3.5)	(1.6)	(5.7)	(3.9)
Income tax benefit (expense)	0.5	0.7	0.6	1.5
Other comprehensive loss, net of tax	(31.6)	(29.8)	(82.7)	(4.4)
Noncontrolling interest	0.1	0.3	0.5	0.0
Net current period other comprehensive (loss) income, net of income taxes and noncontrolling interest	(25.9)	(21.4)	(76.6)	3.7
Ending balance	2,950.1	2,650.0	2,950.1	2,650.0
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(197.6)	(156.8)	(146.9)	(181.9)
Ending balance	(223.5)	(178.2)	(223.5)	(178.2)
Foreign currency translation adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(244.1)	(208.3)	(193.8)	(235.7)
Sale of shares of Timken India Limited	5.6	8.1	5.6	8.1
Other comprehensive income (loss) before reclassifications and income taxes	(29.3)	(27.9)	(80.0)	(0.2)
Amounts reclassified from accumulated other comprehensive (loss) income before income taxes	0.0	0.0	0.0	0.0
Income tax benefit (expense)	0.0	0.0	0.0	0.0
Other comprehensive loss, net of tax	(29.3)	(27.9)	(80.0)	(0.2)
Noncontrolling interest	0.1	0.3	0.5	0.0
Net current period other comprehensive (loss) income, net of income taxes and noncontrolling interest	(23.6)	(19.5)	(73.9)	7.9
Ending balance	(267.7)	(227.8)	(267.7)	(227.8)
Pension and other postretirement liability adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	43.2	49.3	44.7	50.8
Sale of shares of Timken India Limited	0.0	0.0	0.0	0.0
Other comprehensive income (loss) before reclassifications and income taxes	0.0	(0.1)	0.0	(0.1)
Amounts reclassified from accumulated other comprehensive (loss) income before income taxes	(1.9)	(2.0)	(3.9)	(4.0)
Income tax benefit (expense)	0.4	0.5	0.9	1.0
Other comprehensive loss, net of tax	(1.5)	(1.6)	(3.0)	(3.1)
Noncontrolling interest	0.0	0.0	0.0	0.0
Net current period other comprehensive (loss) income, net of income taxes and noncontrolling interest	(1.5)	(1.6)	(3.0)	(3.1)
Ending balance	41.7	47.7	41.7	47.7
Change in fair value of derivative financial instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	3.3	2.2	2.2	3.0
Sale of shares of Timken India Limited	0.0	0.0	0.0	0.0
Other comprehensive income (loss) before reclassifications and income taxes	0.7	(0.9)	2.4	(1.7)
Amounts reclassified from accumulated other comprehensive (loss) income before income taxes	(1.6)	0.4	(1.8)	0.1
Income tax benefit (expense)	0.1	0.2	(0.3)	0.5
Other comprehensive loss, net of tax	(0.8)	(0.3)	0.3	(1.1)
Noncontrolling interest	0.0	0.0	0.0	0.0
Net current period other comprehensive (loss) income, net of income taxes and noncontrolling interest	(0.8)	(0.3)	0.3	(1.1)
Ending balance	$ 2.5	$ 1.9	$ 2.5	$ 1.9