Summary Operating Results of Discontinued Operations for the Periods Prior to Disposition (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Operating Results of Discontinued Operations Prior to Disposition [Abstract]
Disposal Group, Including Discontinued Operation, Revenue	$ 348	$ 8,646	$ 10,017
Disposal Group, Including Discontinued Operations, Costs and Expenses	5,307	18,998	14,594
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax	$ (4,959)	$ (10,352)	$ (4,577)

Disposal Group, Including Discontinued Operations, Costs and Expenses

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- Details

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- Definition

Pretax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

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

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- Definition

Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

+ 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 (c)

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

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