Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 13.2	$ 12.5	$ 36.9	$ 35.7
Other comprehensive income:
Foreign currency translation loss	(0.9)	(4.9)	(3.5)	(3.9)
Pension and postretirement benefit adjustments, net of tax	0.1	0.1	0.4	0.1
Total other comprehensive loss	(0.8)	(4.8)	(3.1)	(3.8)
Total comprehensive income, net of tax	12.4	7.7	33.8	31.9
Comprehensive income attributable to noncontrolling interest	0.0	(0.1)	(0.5)	(0.8)
Comprehensive income attributable to ParkOhio common shareholders	$ 12.4	$ 7.6	$ 33.3	$ 31.1