Property, Plant and Equipment

9 Months Ended

Sep. 30, 2012

Property, Plant and Equipment [Abstract]

The components of property, plant and equipment are as follows:



(in thousands)	September 30, 2012		December 31, 2011		September 30, 2011
Land	$	19,699	$	17,655	$	15,402
Land improvements and leasehold improvements	59,375		47,958		45,753
Buildings and storage facilities	178,354		150,461		144,834
Machinery and equipment	257,926		191,833		188,552
Software	12,632		10,861		10,873
Construction in progress	28,582		13,006		17,323
	556,568		431,774		422,737
Less accumulated depreciation and amortization	273,174		256,687		257,844
	$	283,394	$	175,087	$	164,893

Depreciation expense on property, plant and equipment amounted to $19.3 million, $20.4 million and $15.0 million for the year-to-date periods ended September 30, 2012, December 31, 2011, and September 30, 2011, respectively.

Railcars

The components of Railcar assets leased to others are as follows:



(in thousands)	September 30, 2012		December 31, 2011		September 30, 2011
Railcar assets leased to others	$	335,037	$	272,883	$	256,219
Less accumulated depreciation	82,335		75,746		72,873
	$	252,702	$	197,137	$	183,346

Depreciation expense on railcar assets leased to others amounted to $11.9 million, $13.8 million and $10.2 million for the year-to-date periods ended September 30, 2012, December 31, 2011 and September 30, 2011, respectively.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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