Property, Plant and Equipment, net (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Components of property, plant and equipment net
Property plant and equipment other, Gross	$ 899.6	$ 932.5
Less accumulated depreciation	748.0	754.6
Property plant and equipment net excluding construction in process	151.6	177.9
Construction in process	5.4	11.5
Property, plant and equipment, net	157.0	189.4	234.9
Land and Land Improvements [Member]
Components of property, plant and equipment net
Property, Plant and Equipment, Gross	11.3	13.8
Building [Member]
Components of property, plant and equipment net
Property, Plant and Equipment, Gross	95.0	91.0
Machinery and Equipment [Member]
Components of property, plant and equipment net
Property, Plant and Equipment, Gross	791.3	827.7
Assets Held under Capital Leases [Member]
Components of property, plant and equipment net
Property, Plant and Equipment, Gross	$ 2.0	$ 0

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.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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