Inventories, Net (Tables)

12 Months Ended

Dec. 31, 2018

Inventory Disclosure [Abstract]

Schedule of Inventories Net

December 31

(add 000)	2018			2017
Finished products	$	615,719		$	552,999
Products in process and raw materials		66,920			62,761
Supplies and expendable parts		139,566			128,792
		822,205			744,552
Less: Allowances		(159,170	)		(143,961	)
Total	$	663,035		$	600,591