Guarantees (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
Oct. 05, 2013	Dec. 29, 2012
Guarantees (Details) [Line Items]
Guarantor Obligations, Caption for Recorded Liabilities	lease obligations
Guarantor Obligations, Current Carrying Value	$ 1.1	$ 1.4
Guarantees Issued After December Thirty First Two Thousand And Two [Member]
Guarantees (Details) [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	1.1
Assigned Leases [Member]
Guarantees (Details) [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 7.9	$ 8.3

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Discloses the financial statement line item in which the aggregate carrying amount of the liability for recorded guarantees is included.

+ References

No definition available.

+ Details

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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

+ Details

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Balance Type:	credit
Period Type:	instant