Long-Term Debt and Credit Arrangements (Note Payable - Robertex Acquisition) (Details) (USD $) In Thousands, unless otherwise specified			9 Months Ended
Sep. 27, 2014	Dec. 28, 2013	Sep. 27, 2014 Note Payable - Robertex Acquisition [Member] Y	Jul. 01, 2013 Note Payable - Robertex Acquisition [Member] Rate
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				4.50%
Note payable - Robertex acquisition	$ 3,045	$ 3,789	$ 3,749	$ 4,000
Term of Note Payable			5
Debt Instrument, Annual Principal Payment			$ 800

Contractual interest rate for funds borrowed, under the debt agreement.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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

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