Long-Term Debt and Credit Arrangements (Note Payable - Robertex Acquisition) (Details) (USD $) In Thousands, unless otherwise specified			6 Months Ended
	Jun. 28, 2014	Dec. 28, 2013	Jun. 28, 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	$ 3,829	$ 3,789	$ 3,749	$ 4,000
Term of Note Payable			5
Debt Instrument, Annual Principal Payment			$ 800