Property Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment
Total property, plant and equipment	$ 978,458	$ 985,826
Total accumulated depreciation	(599,122)	(594,330)
Property, plant and equipment, net	379,336	391,496
Land [Member]
Property, Plant and Equipment
Total property, plant and equipment	18,394	31,120
Buildings [Member]
Property, Plant and Equipment
Total property, plant and equipment	236,871	264,004
Machinery and equipment [Member]
Property, Plant and Equipment
Total property, plant and equipment	677,616	666,118
Construction in progress [Member]
Property, Plant and Equipment
Total property, plant and equipment	$ 45,577	$ 24,584

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

+ References+ Details

Gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can 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.

+ References+ Details

- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. 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.

+ References+ Details