Plant, Equipment and Timberlands (Tables)

12 Months Ended

Dec. 31, 2016

Property Plant And Equipment [Abstract]

Summary of Plant, Equipment and Timberlands

Plant, equipment and timberlands at December 31 were as follows:

In thousands		2016			2015
Land and buildings	$	192,877		$	205,338
Machinery and equipment		1,335,669			1,305,067
Furniture, fixtures, and other		142,110			135,355
Accumulated depreciation		(1,036,825	)		(1,009,331	)
		633,831			636,429
Construction in progress		137,665			58,657
Asset retirement obligation, net		—			579
Timberlands, less depletion		4,402			3,199
Total	$	775,898		$	698,864