Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Changes in the carrying amount of our goodwill were as follows (dollars in millions):



	Packaging			Paper		Goodwill
Balance at January 1, 2015	$	491.6		$	55.2	$	546.8
Sale of Hexacomb Europe and Mexico (a)	(2.8		)	—		(2.8		)
Balance at December 31, 2015	488.8			55.2		544.0
Acquisitions (b)	193.9			—		193.9
Balance at December 31, 2016	$	682.7		$	55.2	$	737.9

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(a)	During 2015, we sold the assets of Hexacomb Europe and Mexico, a corrugated products manufacturer, for $23.0 million and reduced goodwill in our Packaging segment by $2.8 million.


(b)	In connection with the August 2016 acquisition of TimBar Corporation (TimBar), the Company recoded $157.3 million of goodwill in the Packaging segment. In November 2016, we acquired Columbus Container and recorded $36.6 million of goodwill in the Packaging segment. See Note 3, Acquisitions and Dispositions, for more information.

The weighted average useful life, gross carrying amount, and accumulated amortization of our intangible assets were as follows (dollars in millions):



	As of December 31, 2016					As of December 31, 2015
	Weighted Average Remaining Useful Life (in Years)	Gross Carrying Amount		Accumulated Amortization		Weighted Average Remaining Useful Life (in Years)	Gross Carrying Amount		Accumulated Amortization
Customer relationships (c)	13.1	$	424.5	$	79.8	13.3	$	311.5	$	57.3
Trademarks and trade names (c)	10.5	27.7		8.1		12.5	21.8		5.2
Other (c)	4.3	4.2		1.4		1.2	0.2		0.2
Total intangible assets (excluding goodwill)	12.9	$	456.4	$	89.3	13.3	$	333.5	$	62.7