Inventories, Net (Tables)

6 Months Ended

Jun. 30, 2016

Inventory Disclosure [Abstract]

Schedule of Inventories Net

	June 30,			December 31,			June 30,
	2016			2015			2015
	(Dollars in Thousands)
Finished products	$	463,807		$	433,649		$	425,732
Products in process and raw materials		60,324			55,194			62,059
Supplies and expendable parts		113,110			110,882			112,592
		637,241			599,725			600,383
Less: Allowances		(132,364	)		(130,584	)		(120,527	)
Total	$	504,877		$	469,141		$	479,856