Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Income Statement [Abstract]
Net sales	$ 421.0	$ 405.4
Cost of sales	348.3	337.3
Selling, general and administrative expenses	51.7	48.2
Restructuring and other special charges	1.3	1.0
Operating income	19.7	18.9
Other components of pension and other postretirement benefits income, net	2.1	1.8
Interest expense, net	(12.3)	(11.0)
Income from continuing operations before income taxes	9.5	9.7
Income tax expense	(1.6)	(1.9)
Income from continuing operations	7.9	7.8
Loss attributable to noncontrolling interests	0.3	0.7
Income from continuing operations attributable to Park-Ohio Holdings Corp. common shareholders	8.2	8.5
Loss from discontinued operations, net of tax	(0.1)	(0.2)
Net income attributable to Park-Ohio Holdings Corp. common shareholders	$ 8.1	$ 8.3
Basic:
Continuing operations (in dollars per share)	$ 0.59	$ 0.63
Discontinued operations (in dollars per share)	(0.01)	(0.01)
Total (in dollars per share)	0.58	0.62
Diluted:
Continuing operations (in dollars per share)	0.58	0.61
Discontinued operations (in dollars per share)	(0.01)	(0.01)
Total (in dollars per share)	$ 0.57	$ 0.60