Property, Plant and Equipment, Net - Components of Net Property, Plant and Equipment (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 325.5	$ 309.5
Accumulated depreciation	(226.0)	(210.6)
Total Net	99.5	98.9
Land and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	1.9	1.9
Building and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	62.3	63.1
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	142.7	139.7
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	87.3	82.0
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	12.5	12.3
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 18.8	$ 10.5

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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