Debt and Credit Arrangements (Details 2) (Interest rate swap, Other long-term liabilities, USD $) In Thousands, unless otherwise specified	Dec. 29, 2013	Dec. 30, 2012
Interest rate swap \| Other long-term liabilities
Debt and Credit Arrangements
Derivatives designated as hedging instruments, fair value	$ 76	$ 104

Fair value of all liability derivatives designated as cash flow hedging instruments.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

Name:	us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant