Consolidated Statement of Income (Unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Consolidated Income Statement Parenthetical [Abstract]
Provision for (Benefit from) Income Taxes on Income (Loss) from Discontinued Operations	$ (2.7)	$ (0.7)	$ (9.9)	$ 3.0
Provision for (Benefit From) Income Taxes on Gain (Loss) on Disposal of Discontinued Operations	$ (11.5)	$ (0.1)	$ (34.6)	$ 190.8

Income tax expense or benefit attributable to Income or Loss from discontinued operations during the phase-out period.

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