Quarterly Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2011

Quarterly Data (Unaudited) [Abstract]

Quarterly financial data

	Net Sales		Gross Profit		Net Income (Loss)			Net Income (Loss) Attributable to Ferro Corporation			Earnings (Loss) Attributable to Ferro Corporation Common Shareholders Per Common Share
											Basic			Diluted
	(Dollars in thousands, except per share data)
2010
Quarter 1	$	492,865	$	106,934	$	(812	)	$	(68	)	$	—		$	—
Quarter 2		543,485		122,330		7,594			7,100			0.08			0.08
Quarter 3		528,564		120,296		(2,362	)		(3,345	)		(0.04	)		(0.04	)
Quarter 4		536,951		109,105		2,853			2,009			0.02			0.02
Total	$	2,101,865	$	458,665	$	7,273		$	5,696		$	0.06		$	0.06
2011
Quarter 1	$	573,009	$	120,326	$	23,191		$	22,890		$	0.26		$	0.26
Quarter 2		593,974		114,347		19,621			19,389			0.23			0.22
Quarter 3		546,114		103,810		18,222			18,182			0.21			0.21
Quarter 4		442,695		74,704		(28,667	)		(28,824	)		(0.33	)		(0.33	)
Total	$	2,155,792	$	413,187	$	32,367		$	31,637		$	0.37		$	0.36