Supplemental Balance Sheet Disclosures (Property, Plant And Equipment, Net) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Supplemental Balance Sheet Disclosures [Line Items]
Total PP&E	$ 1,107.0	$ 1,088.8
Less accumulated depreciation and amortization	(868.0)	(818.6)
Property, plant and equipment, net	239.0	270.2
Land [Member]
Supplemental Balance Sheet Disclosures [Line Items]
Total PP&E	2.5	2.5
Buildings [Member]
Supplemental Balance Sheet Disclosures [Line Items]
Total PP&E	62.9	62.4
Furniture, Fixtures, Equipment And Software [Member]
Supplemental Balance Sheet Disclosures [Line Items]
Total PP&E	685.9	663.0
Leasehold Improvements [Member]
Supplemental Balance Sheet Disclosures [Line Items]
Total PP&E	$ 355.7	$ 360.9

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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