Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 12.6	$ 12.9	$ 23.7	$ 23.2
Other comprehensive income:
Foreign currency translation gain (loss)	2.7	1.4	(2.6)	1.0
Pension and postretirement benefit adjustments, net of tax	0.1	0.1	0.3	0.0
Total other comprehensive income (loss)	2.8	1.5	(2.3)	1.0
Total comprehensive income, net of tax	15.4	14.4	21.4	24.2
Comprehensive income attributable to noncontrolling interest	(0.2)	(0.5)	(0.5)	(0.7)
Comprehensive income attributable to ParkOhio common shareholders	$ 15.2	$ 13.9	$ 20.9	$ 23.5