Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following:

	Sept. 30, 2013			Sept. 30, 2012			Dec. 31, 2012
	(Dollars in thousands)
Raw materials	$	163,129		$	170,350		$	167,097
Work-in-process	117,559			115,282			108,385
Finished goods	353,426			358,319			330,077
Other	13,296			13,497			13,259
	647,410			657,448			618,818
Adjustment to value inventory    at cost on the LIFO method	(102,891		)	(95,937		)	(102,891		)
	$	544,519		$	561,511		$	515,927