Business Acquisition (Schedule of Pro Forma Results of Operatiaons) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Business Acquisition [Line Items]
Weighted average shares outstanding (basic and diluted)	6,932	6,907	6,927	6,905
Tech Ord [Member]
Business Acquisition [Line Items]
Net Sales	$ 95,463	$ 104,397	$ 270,964	$ 298,098
Net Earnings	$ 5,123	$ 8,626	$ 13,704	$ 23,976
Net earnings per share (basic and diluted)	$ 0.74	$ 1.25	$ 1.98	$ 3.47
Weighted average shares outstanding (basic and diluted)	6,932	6,907	6,927	6,905

Business Acquisition, Pro Forma Earnings Per Share, Basic and Diluted

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- Details

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- Definition

The pro forma income from continuing operations before changes in accounting and extraordinary items, net of tax effect, for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

+ Details

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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- Definition

Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

+ References

No definition available.

+ Details

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