Property, Plant & Equipment (Tables)

3 Months Ended

Mar. 31, 2013

Property, Plant & Equipment [Abstract]

Summary of property, plant and equipment balances

The following is a summary of the Company's property, plant and equipment balances (in thousands of dollars):

	March 31,			December 31,
	2013			2012

Land	$	27,274		$	29,026
Land improvements		13,151			13,142
Buildings		193,606			158,984
Machinery and equipment		332,421			310,944
Furniture and fixtures		10,003			9,647
Computer equipment and software		37,729			37,708
Construction in progress		77,436			125,545
Total property, plant and equipment		691,620			684,996
Less accumulated depreciation		(286,321	)		(283,323	)
Total property, plant and equipment, net	$	405,299		$	401,673

- Definition

Tabular disclosure of the useful life and salvage value of 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.

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