Inventories, Net (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Schedule of Inventories Net

	March 31,			December 31,			March 31,
	2015			2014			2014
	(Dollars in Thousands)
Finished products	$	428,783		$	413,766		$	372,567
Products in process and raw materials		70,558			65,250			16,478
Supplies and expendable parts		125,547			125,092			64,093
		624,888			604,108			453,138
Less: Allowances		(119,841	)		(119,189	)		(98,420	)
Total	$	505,047		$	484,919		$	354,718