Interim Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 item	Mar. 31, 2012	Dec. 31, 2012
Interim Segment Information
Number of principal reportable segments	2
Interim Segment Information
Net sales external customers:	$ 187,980	$ 216,182
Operating profit (loss):	(44,765)	3,316
Segment assets:	697,899		700,715
Tissue
Interim Segment Information
Net sales external customers:	78,035	81,686
Operating profit (loss):	3,784	9,177
Segment assets:	398,767		378,278
Paper
Interim Segment Information
Number of core sectors	3
Net sales external customers:	109,945	134,496
Operating profit (loss):	(41,156)	289
Segment assets:	233,318		271,793
Corporate & eliminations
Interim Segment Information
Operating profit (loss):	(7,393)	(6,150)
Corporate & unallocated
Interim Segment Information
Segment assets:	$ 65,814		$ 50,644