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Payment of Dividends (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 0 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 09, 2014 | Dec. 03, 2013 | Dec. 10, 2012 | Jan. 03, 2015 | Dec. 28, 2013 | Dec. 29, 2012
Payments of Dividends [Abstract] |  |  |  |  |  |
Dividends paid (in dollars per share) | $ 0.30us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.26us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.25us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.30us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.26us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.25us-gaap_CommonStockDividendsPerShareCashPaid
Total outlay for dividends | $ 2,633us-gaap_PaymentsOfDividends | $ 2,260us-gaap_PaymentsOfDividends | $ 1,596us-gaap_PaymentsOfDividends |  |  |

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Details
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