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Goodwill, Other Intangible Assets and Other Assets - Other Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 29, 2014 Preferred Stock [Member]	Dec. 28, 2013 Preferred Stock [Member]	Mar. 29, 2014 Preferred Stock [Member] Advanced Scientific Concepts, Inc. [Member]	Dec. 28, 2013 Preferred Stock [Member] Advanced Scientific Concepts, Inc. [Member]	Mar. 29, 2014 Preferred Stock [Member] InTouch Technologies, Inc. [Member]	Dec. 28, 2013 Preferred Stock [Member] InTouch Technologies, Inc. [Member]
Schedule of Cost-method Investments [Line Items]
Document Period End Date	Mar. 29, 2014
Cost Method Investments		$ 10,501	$ 10,501	$ 2,500	$ 2,500	$ 8,001	$ 8,001

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- Definition

The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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- Definition

Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 325

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-Section 50

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-Publisher FASB

-Name Accounting Standards Codification

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