Store Lease Exit Costs and Impairment Charges (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Store Lease Exit Costs and Impairment Charges [Abstract]
Impairment charge	$ 46.5	$ 44.7	$ 71.7

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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