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Significant Accounting Policies (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Buildings
Property, Plant and Equipment
Useful life	30 years
Impairment losses			$ 3.7
Furniture and fixtures
Property, Plant and Equipment
Useful life	5 years
Computer equipment | Minimum
Property, Plant and Equipment
Useful life	3 years
Computer equipment | Maximum
Property, Plant and Equipment
Useful life	7 years
Software | Minimum
Property, Plant and Equipment
Useful life	3 years
Software | Maximum
Property, Plant and Equipment
Useful life	7 years
Retail stores
Property, Plant and Equipment
Impairment losses	$ 1.2	$ 1.0	$ 1.8

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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- Definition

The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230

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