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Consolidated Statements of Equity (Parenthetical) (USD $) | 12 Months Ended
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Jan. 03, 2015 | Dec. 28, 2013 | Dec. 29, 2012
Cash dividends per share | $ 1.85 us-gaap_CommonStockDividendsPerShareDeclared | $ 1.58 us-gaap_CommonStockDividendsPerShareDeclared | $ 1.40 us-gaap_CommonStockDividendsPerShareDeclared
Share repurchases, shares | 680,000 us-gaap_TreasuryStockSharesAcquired | 926,000 us-gaap_TreasuryStockSharesAcquired | 1,180,000 us-gaap_TreasuryStockSharesAcquired
Retained Earnings [Member] |  |  |
Cash dividends per share | $ 1.85 us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ 1.58 us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ 1.40 us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Treasury Stock [Member] |  |  |
Share repurchases, shares | 680,000 us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 926,000 us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 1,180,000 us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember

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- Definition Aggregate dividends declared 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 Number of shares that have been repurchased during the period and are being held in treasury. + 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 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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