Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Income Statement [Abstract]
Net sales	$ 440.1	$ 400.1	$ 861.1	$ 805.5
Cost of sales	361.2	331.9	709.5	669.2
Selling, general and administrative expenses	53.1	46.8	104.8	95.0
Restructuring and other special charges	1.3	1.3	2.6	2.3
Operating income	24.5	20.1	44.2	39.0
Other components of pension and other postretirement benefits income, net	2.2	1.8	4.3	3.6
Interest expense, net	(12.3)	(11.2)	(24.6)	(22.2)
Income from continuing operations before income taxes	14.4	10.7	23.9	20.4
Income tax expense	(2.4)	(1.8)	(4.0)	(3.7)
Income from continuing operations	12.0	8.9	19.9	16.7
Loss attributable to noncontrolling interests	0.2	0.4	0.5	1.1
Income from continuing operations attributable to Park-Ohio Holdings Corp. common shareholders	12.2	9.3	20.4	17.8
Loss from discontinued operations, net of tax	(0.1)	(0.1)	(0.2)	(0.3)
Net income attributable to Park-Ohio Holdings Corp. common shareholders	$ 12.1	$ 9.2	$ 20.2	$ 17.5
Basic:
Continuing operations (in dollars per share)	$ 0.88	$ 0.68	$ 1.47	$ 1.30
Discontinued operations (in dollars per share)	(0.01)	(0.01)	(0.01)	(0.02)
Total (in dollars per share)	0.87	0.67	1.46	1.28
Diluted:
Continuing operations (in dollars per share)	0.87	0.67	1.44	1.28
Discontinued operations (in dollars per share)	(0.01)	(0.01)	(0.01)	(0.02)
Total (in dollars per share)	$ 0.86	$ 0.66	$ 1.43	$ 1.26