Note 2 - Acquisition of Businesses (Details) - Unaudited Pro Forma Results (Hamlin, Inc. [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 28, 2013	Dec. 29, 2012
Hamlin, Inc. [Member]
Note 2 - Acquisition of Businesses (Details) - Unaudited Pro Forma Results [Line Items]
Revenues (in Dollars)	$ 789,224	$ 739,968
Net income (in Dollars)	$ 89,083	$ 80,597
Net income per share:
Basic (in Dollars per share)	$ 4.00	$ 3.69
Diluted (in Dollars per share)	$ 3.96	$ 3.64
Weighted-average shares and equivalent shares outstanding:
Basic	22,315	21,822
Diluted	22,537	22,098

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+ 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

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