Income Taxes (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended	8 Months Ended	9 Months Ended
Jan. 28, 2011	Sep. 29, 2012	Oct. 01, 2011	Oct. 01, 2011	Sep. 29, 2012
Income Taxes (Textual) [Abstract]
Income tax expense rate	(3.10%)	65.70%	(21.40%)	(3.50%)	(116.10%)
Total unrecognized tax benefit		$ 24.0			$ 24.0
Income tax interest and penalties		12.0			12.0
Unrecognized Tax Benefits Tax Positions		$ 3.9			$ 3.9

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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