Inventories, Net (Tables)

3 Months Ended

Mar. 31, 2016

Inventory Disclosure [Abstract]

Schedule of Inventories Net

	March 31,			December 31,			March 31,
	2016			2015			2015
	(Dollars in Thousands)
Finished products	$	443,470		$	433,649		$	428,783
Products in process and raw materials		59,761			55,194			70,558
Supplies and expendable parts		112,022			110,882			125,547
		615,253			599,725			624,888
Less: Allowances		(129,886	)		(130,584	)		(119,841	)
Total	$	485,367		$	469,141		$	505,047