Inventories, Net (Tables)

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Schedule of Inventories Net

December 31

(add 000)	2016			2015
Finished products	$	479,291		$	433,649
Products in process and raw materials		61,171			55,194
Supplies and expendable parts		116,024			110,882
		656,486			599,725
Less allowances		(134,862	)		(130,584	)
Total	$	521,624		$	469,141