Revenue (Tables)

9 Months Ended

Sep. 30, 2018

Revenue From Contract With Customer [Abstract]

Net Sales and (Loss) Income before Income Taxes (Detail)

Net sales and (loss) income before income taxes and equity income in joint venture by geographic area for the three and nine months ended September 30, 2018, and 2017, were as outlined below. When disaggregating revenue, consideration was given to information regularly reviewed by the chief operating decision maker to evaluate the financial performance of the operating segments and make resource allocation decisions.

	Net Sales								(Loss) Income Before Income Taxes and Equity Income in Joint Venture
	Three Months Ended September 30,				Nine Months Ended September 30,				Three Months Ended September 30,						Nine Months Ended September 30,
	2018		2017		2018		2017		2018			2017			2018			2017
United States	$	53,713	$	55,940	$	177,865	$	172,032	$	(3,208	)	$	(4,263	)	$	(6,730	)	$	(14,954	)
Foreign		58,503		47,946		176,855		145,920		(2,448	)		556			(130	)		4,334
	$	112,216	$	103,886	$	354,720	$	317,952	$	(5,656	)	$	(3,707	)	$	(6,860	)	$	(10,620	)

Substantially all of the foreign net sales for each of the periods are attributable to the Forged and Cast Engineered Products segment. Net sales by product line for the three and nine months ended September 30, 2018, and 2017, were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Forged and cast mill rolls	$	64,983	$	63,677	$	207,398	$	189,649
Forged engineered products		23,107		18,002		77,586		62,090
Heat exchange coils		7,132		8,279		20,858		21,714
Centrifugal pumps		9,790		7,522		27,554		27,682
Air handling systems		7,204		6,406		21,324		16,817
	$	112,216	$	103,886	$	354,720	$	317,952