Inventories

9 Months Ended

Sep. 30, 2016

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consisted of the following:

	Sept. 30, 2016			Sept 30, 2015			Dec. 31, 2015
	(Dollars in thousands)
Raw materials	$	213,020		$	204,841		$	215,018
Work-in-process	113,393			104,842			118,947
Finished goods	389,073			358,783			371,561
Other	13,931			14,831			13,938
	729,417			683,297			719,464
Adjustment to value inventory
at cost on the LIFO method	(91,326		)	(103,021		)	(91,326		)
	$	638,091		$	580,276		$	628,138