Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Revenue	$ 69.2	$ 81.9
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	(11.7)	1.0
Discontinued Operation, Tax Effect of Discontinued Operation	(2.1)	0
(Loss) Income from Discontinued Operations, Net of Tax	(9.6)	1.0
Impairment of Goodwill, Intangibles And Other Long-Lived Assets Of Discontinued Operations, Pretax	12.4	0
Impairment of Goodwill, Intangibles And Other Long-Lived Assets Of Discontinued Operations, Tax Benefit	$ (2.4)

Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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- Definition

Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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