Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 12.5	$ 12.4	$ 35.7	$ 34.7
Other comprehensive (loss) income:
Foreign currency translation (loss) gain	(4.9)	1.2	(3.9)	(1.7)
Pension and postretirement benefit adjustments, net of tax	0.1	0.3	0.1	0.7
Total other comprehensive (loss) income	(4.8)	1.5	(3.8)	(1.0)
Total comprehensive income, net of tax	7.7	13.9	31.9	33.7
Comprehensive income attributable to noncontrolling interest	(0.1)	(0.2)	(0.8)	(0.2)
Comprehensive income attributable to ParkOhio common shareholders	$ 7.6	$ 13.7	$ 31.1	$ 33.5