Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Changes In the Carrying Amount of Goodwill

Changes in the carrying amount of our goodwill are as follows (dollars in thousands):



	Goodwill
Balance at January 1, 2012	$	58,214
Acquisitions	14,098
Adjustments related to purchase accounting	(5,152		)
Balance at December 31, 2012	67,160
Acquisitions (a)	459,629
Balance at December 31, 2013	$	526,789

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(a)	In 2013, in addition to acquiring Boise and recording $458.6 million of goodwill, we acquired Damage Prevention Company for $6.3 million and recorded $1.1 million of goodwill in the Packaging segment.

Components of Intangible Assets

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



	As of December 31, 2013					As of December 31, 2012
	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	15.4	$	306,361	$	16,509	16.7	$	48,261	$	10,663
Trademarks and trade names	14.7	21,370		794		2.6	770		248
Other	3.0	220		109		3.7	220		57
Total intangible assets (excluding goodwill)	15.4	$	327,951	$	17,412	16.5	$	49,251	$	10,968