Inventories

9 Months Ended

Sep. 30, 2015

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consisted of the following:

	Sept. 30, 2015			Sept. 30, 2014			Dec. 31, 2014
	(Dollars in thousands)
Raw materials	$	204,841		$	181,034		$	184,714
Work-in-process	104,842			125,290			115,308
Finished goods	358,783			364,261			338,562
Other	14,831			14,285			13,541
	683,297			684,870			652,125
Adjustment to value inventory    at cost on the LIFO method	(103,021		)	(96,580		)	(103,360		)
	$	580,276		$	588,290		$	548,765