Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

As of December 31, 2019, estimated future amortization expense related to intangible assets is as follows (in millions):

Years ending December 31,	Amount
2020	$	3.3
2021	2.9
2022	2.2
2023	2.1
2024	2.1
Thereafter	4.3
Total	$	16.9

Schedule of Intangible Assets and Goodwill [Table Text Block]

Changes in the carrying amounts of goodwill and intangible assets by reportable segment were as follows:

(In millions)	Consumer Products						Pulp and Paperboard					Total
	Goodwill			Intangibles			Goodwill		Intangibles
Balance as of December 31, 2017	$	209.1		$	10.1		$	35.1	$	22.4		$	276.7
Impairment	(195.1		)	—			—		—			(195.1		)
Write off due to Ladysmith sale	(14.0		)	(0.9		)	—		—			(14.9		)
Amortization	—			(4.6		)	—		(2.9		)	(7.5		)
Balance as of December 31, 2018	—			4.6			35.1		19.5			59.2
Amortization	—			(4.3		)	—		(2.9		)	(7.2		)
Balance as of December 31, 2019	$	—		$	0.3		$	35.1	$	16.6		$	52.0