Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Schedule of quarterly financial data

	Quarter Ended
	Mar. 31		Jun. 30		Sept. 30		Dec. 31
2020
Net sales	$	366.3	$	228.3	$	340.2	$	360.4
Gross profit	53.9		14.2		49.7		50.8
Net income (loss)	1.3		(17.0)		5.2		5.7
Net (income) loss attributable to noncontrolling interest	(0.1)		0.4		0.1		(0.1)
Net income (loss) attributable to ParkOhio common shareholders	$	1.2	$	(16.6)	$	5.3	$	5.6
Earnings (loss) per common share attributable to ParkOhio common shareholders:
Basic	$	0.10	$	(1.38)	$	0.44	$	0.46
Diluted	$	0.10	$	(1.38)	$	0.44	$	0.45
Cash dividends per common share	$	0.125	$	—	$	—	$	0.125
2019
Net sales	$	420.1	$	415.3	$	403.4	$	379.5
Gross profit	65.3		66.2		66.5		62.3
Net income	11.7		7.9		12.4		7.7
Net income attributable to noncontrolling interest	(0.5)		(0.3)		(0.2)		(0.1)
Net income attributable to ParkOhio common shareholders	$	11.2	$	7.6	$	12.2	$	7.6
Earnings per common share attributable to ParkOhio common shareholders:
Basic	$	0.92	$	0.62	$	1.00	$	0.62
Diluted	$	0.90	$	0.61	$	0.99	$	0.61
Cash dividends per common share	$	0.125	$	0.125	$	0.125	$	0.125