Condensed Consolidated Statements Of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Condensed Consolidated Statements Of Operations [Abstract]
Net sales	$ 416,239	$ 348,632	$ 821,771	$ 669,187
Cost of sales	289,594	240,290	576,440	462,051
Gross profit	126,645	108,342	245,331	207,136
Selling, general and administrative expenses	70,124	62,981	143,216	122,427
Restructuring and impairment charges	3,768	3,224	7,874	6,242
Other expense (income):
Interest expense	8,200	6,449	16,162	12,673
Interest earned	(186)	(175)	(387)	(355)
Foreign currency losses, net	2,660	4,868	4,500	4,554
Loss on extinguishment of debt	3,226		3,226	3,905
Miscellaneous (income) expense, net	(1,372)	1,071	(597)	(1,493)
Income before income taxes	40,225	29,924	71,337	59,183
Income tax expense	10,364	8,695	17,878	15,833
Net income	29,861	21,229	53,459	43,350
Less: Net income attributable to noncontrolling interests	193	204	400	427
Net income attributable to Ferro Corporation common shareholders	$ 29,668	$ 21,025	$ 53,059	$ 42,923
Earnings per share attributable to Ferro Corporation common shareholders:
Basic earnings per share	$ 0.35	$ 0.25	$ 0.63	$ 0.51
Diluted earnings per share	$ 0.35	$ 0.25	$ 0.62	$ 0.50