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Note 15 - Accumulated Other Comprehensive Loss (Details) - Accumulated Other Comprehensive Loss (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 30, 2014	Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Employee benefit related adjustments, tax	$ 228	$ 228

X

- Details

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Balance Type:	na
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X

- Definition

Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e640-108580



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 10A

-Subparagraph (e,f)

-URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580

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