Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

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

	Packaging		Paper		Goodwill
Balance at January 1, 2016	$	488.8	$	55.2	$	544.0
Acquisitions (a)		193.9		—		193.9
Balance at December 31, 2016	$	682.7	$	55.2	$	737.9
Acquisitions (b)(c)		145.3		—		145.3
Balance at December 31, 2017	$	828.0	$	55.2	$	883.2

(a)	In connection with the August 2016 acquisition of 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.

(b)	In connection with the October 2017 acquisition of Sacramento Container, the Company recorded $151.1 million of goodwill in the Packaging segment.

(c)	During 2017, the Company recorded opening balance sheet adjustments related to the TimBar and Columbus Container acquisitions resulting in a decrease to goodwill of $5.8 million.

Components of Intangible Assets

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, 2017					As of December 31, 2016
	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 (d)	11.8	$	497.8	$	109.8	13.1	$	424.5	$	79.8
Trademarks and trade names (d)	9.8		32.9		13.2	10.5		27.7		8.1
Other (d)	3.6		4.3		2.0	4.3		4.2		1.4
Total intangible assets (excluding goodwill)	11.7	$	535.0	$	125.0	12.9	$	456.4	$	89.3

(d)

In connection with the October 2017 acquisition of Sacramento Container, the Company recorded intangible assets of $68.4 million for customer relationships, $4.1 million for trade names, and $0.1 million for other intangibles. In August 2016, we acquired TimBar and recorded intangible assets of $88.0 million for customer relationships, $4.9 million for trade names, and $1.5 million for other intangibles. In November 2016, we acquired Columbus Container and recorded intangible assets of $30.0 million for customer relationships, $2.2 million for trade names, and $0.2 million for other intangibles. See Note 3, Acquisitions, for more information.