Inventories (Tables)

12 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Inventories, Net of Reserves

Inventories, net of reserves were as follows:

	December 31
In thousands		2017		2016
Raw materials	$	60,806	$	66,359
In-process and finished		116,678		112,507
Supplies		74,580		70,803
Total	$	252,064	$	249,669