Stock Compensation Plans and Stock Based Compensation (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Intrinsic Value And Cash Received From Stock Options Exercised
Intrinsic value of options exercised	$ 15,114	$ 11,493	$ 7,255
Cash received from options exercised	$ 27,569	$ 19,119	$ 6,478

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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