LONG-LIVED ASSETS

Property, Plant, and Equipment

The major categories of property, plant, and equipment were as follows:



(In millions)	December 31, 2012			December 31, 2011
Land	$	6.0		$	5.8
Buildings	506.0			481.7
Machinery, equipment, and fixtures	595.7			565.0
Construction in progress	150.4			53.8
Accumulated depreciation	(568.2		)	(530.2		)
Property, plant, and equipment—net	$	689.9		$	576.1

Depreciation expense was $55.8 million, $57.2 million and $54.6 million for the years ended December 31, 2012, 2011 and 2010, respectively, and is primarily included in costs of products sold. Interest capitalized during the year was $0.6 million, $0.2 million and $2.6 million for the years ended December 31, 2012, 2011 and 2010, respectively.

The Company’s liability for asset retirement obligations was $3.3 million and $1.6 million at December 31, 2012 and 2011.

Other Intangible Assets

The gross carrying value and accumulated amortization by class of intangible assets were as follows:



	As of December 31, 2012							As of December 31, 2011
(In millions)	Gross Carrying Amount		Accumulated Amortization			Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Indefinite-lived intangible assets
Trademark	$	45.3	$	—		$	45.3	$	—	$	—		$	—
Non-compete agreement	8.9		—			8.9		—		—			—
Total	54.2		—			54.2		—		—			—
Amortizable intangible assets
Computer software	132.2		(60.2		)	72.0		160.0		(68.4		)	91.6
Distributor-customer relationships, 10 year life	4.4		(0.7		)	3.7		—		—			—
Total	136.6		(60.9		)	75.7		160.0		(68.4		)	91.6
Total other intangible assets	$	190.8	$	(60.9	)	$	129.9	$	160.0	$	(68.4	)	$	91.6

Amortization expense for other intangible assets was $21.1 million, $18.1 million and $10.1 million for the years ended December 31, 2012, 2011 and 2010, respectively. In 2012, the Company reduced computer software with an offsetting decrease in accumulated amortization to remove assets no longer in service.

The trademark, non-compete agreement and distributor-customer relationship intangible assets are part of the acquisition discussed in Note 8.

Expected amortization expense related to intangible assets is as follows:



(In millions) Years Ending December 31,
2013	$	19.8
2014	15.8
2015	14.8
2016	12.1
2017	9.3
Later years	3.9

Non-Cash Activity

Additions to long-lived assets not yet paid were $78.7 million, $32.8 million and $20.7 million for the years ended December 31, 2012, 2011 and 2010, respectively.