Property, Plant & Equipment (Tables)

9 Months Ended

Sep. 30, 2011

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):

	September 30,			December 31,
	2011			2010
Land	$	19,880		$	19,775
Land improvements		10,322			10,449
Buildings		158,380			106,199
Machinery and equipment		302,322			289,579
Furniture and fixtures		6,833			6,839
Computer equipment and software		32,517			23,407
Total property, plant and equipment		530,254			456,248
Less accumulated depreciation		(264,050	)		(252,531	)
Total property, plant and equipment, net	$	266,204		$	203,717