Significant Accounting Policies	9 Months Ended
Sep. 29, 2013
Accounting Policies [Abstract]
BasisOfPresentationSignificantAccountingPoliciesAndPriorPeriodAdjustments [Text Block]	Presentation of Condensed Consolidated Financial Statements During interim periods, we follow the accounting policies set forth in our Annual Report on Form 10-K for the fiscal year ended December 30, 2012 (the "2012 Annual Report on Form 10K") and apply appropriate interim financial reporting standards for a fair statement of our operating results and financial position in conformity with accounting principles generally accepted in the United States of America, as codified by the Financial Accounting Standards Board ("FASB") in the Accounting Standards Codification ("ASC") (referred to herein as "U.S. GAAP"), as indicated below. Users of financial information produced for interim periods in 2013 are encouraged to read this Quarterly Report on Form 10-Q in conjunction with our consolidated financial statements and notes thereto filed with the Securities and Exchange Commission ("SEC") in our 2012 Annual Report on Form 10-K. Interim financial reporting standards require us to make estimates that are based on assumptions regarding the outcome of future events and circumstances not known at that time, including the use of estimated effective tax rates. Inevitably, some assumptions will not materialize, unanticipated events or circumstances may occur which vary from those estimates and such variations may significantly affect our future results. Additionally, interim results may not be indicative of our results for future interim periods or our annual results. We use a 4-4-5 convention for our fiscal quarters, which are thirteen week periods generally ending on the last Sunday of each calendar quarter. We refer to these thirteen week fiscal periods as “quarters” throughout this report. The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with the SEC’s requirements for Form 10-Q and, in our opinion, contain all adjustments, of a normal and recurring nature, which are necessary for a fair statement of (i) the condensed consolidated income statements for the thirty-nine week periods ended September 29, 2013 and September 23, 2012, (ii) the condensed consolidated statements of comprehensive income for the thirty-nine week periods ended September 29, 2013 and September 23, 2012, (iii) the condensed consolidated balance sheets at September 29, 2013 and December 30, 2012, (iv) the condensed consolidated statements of cash flows for the thirty-nine week periods ended September 29, 2013 and September 23, 2012, and (v) the condensed consolidated statement of shareholders’ equity for the thirty-nine week period ended September 29, 2013. However, the accompanying unaudited condensed consolidated financial statements do not include all information and notes required by U.S. GAAP. The condensed consolidated balance sheet as of December 30, 2012, included in this report, was derived from our 2012 audited financial statements, but does not include all disclosures required by U.S. GAAP.

Presentation of Condensed Consolidated Financial Statements

During interim periods, we follow the accounting policies set forth in our Annual Report on Form 10-K for the fiscal year ended December 30, 2012 (the "2012 Annual Report on Form 10K") and apply appropriate interim financial reporting standards for a fair statement of our operating results and financial position in conformity with accounting principles generally accepted in the United States of America, as codified by the Financial Accounting Standards Board ("FASB") in the Accounting Standards Codification ("ASC") (referred to herein as "U.S. GAAP"), as indicated below. Users of financial information produced for interim periods in 2013 are encouraged to read this Quarterly Report on Form 10-Q in conjunction with our consolidated financial statements and notes thereto filed with the Securities and Exchange Commission ("SEC") in our 2012 Annual Report on Form 10-K.

Interim financial reporting standards require us to make estimates that are based on assumptions regarding the outcome of future events and circumstances not known at that time, including the use of estimated effective tax rates. Inevitably, some assumptions will not materialize, unanticipated events or circumstances may occur which vary from those estimates and such variations may significantly affect our future results. Additionally, interim results may not be indicative of our results for future interim periods or our annual results.

We use a 4-4-5 convention for our fiscal quarters, which are thirteen week periods generally ending on the last Sunday of each calendar quarter. We refer to these thirteen week fiscal periods as “quarters” throughout this report. The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with the SEC’s requirements for Form 10-Q and, in our opinion, contain all adjustments, of a normal and recurring nature, which are necessary for a fair statement of (i) the condensed consolidated income statements for the thirty-nine week periods ended September 29, 2013 and September 23, 2012, (ii) the condensed consolidated statements of comprehensive income for the thirty-nine week periods ended September 29, 2013 and September 23, 2012, (iii) the condensed consolidated balance sheets at September 29, 2013 and December 30, 2012, (iv) the condensed consolidated statements of cash flows for the thirty-nine week periods ended September 29, 2013 and September 23, 2012, and (v) the condensed consolidated statement of shareholders’ equity for the thirty-nine week period ended September 29, 2013. However, the accompanying unaudited condensed consolidated financial statements do not include all information and notes required by U.S. GAAP. The condensed consolidated balance sheet as of December 30, 2012, included in this report, was derived from our 2012 audited financial statements, but does not include all disclosures required by U.S. GAAP.