Deferred Compensation and Other Benefits - Textual (Details) (USD $)	3 Months Ended
Mar. 29, 2013	Mar. 30, 2012
ESBP
Deferred Compensation - Text Details
Total estimated current year employe contributions	$ 700,000
Net periodic pension cost (benefit)	109,000	155,000
NDBP
Deferred Compensation - Text Details
Net periodic pension cost (benefit)	35,000	16,000
Targeted minimum return	4.00%
Guaranteed return	4.00%
Key Employee Non Qualified Deferred Compensation Plan
Deferred Compensation - Text Details
Contributions in 2013 relating to amounts earned in 2012	$ 300,000

The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph h

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (h)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

Name:	us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration