Consolidated Statement of Income (Unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 30, 2013	Mar. 31, 2012
Consolidated Income Statement Parenthetical [Abstract]
Provision for (Benefit from) Income Taxes on Income (Loss) from Discontinued Operations	$ (0.2)	$ (2.3)
Provision for (Benefit From) Income Taxes on Gain (Loss) on Disposal of Discontinued Operations	$ (2.8)	$ 0.2

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

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration