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Condensed Consolidated Statements of Equity (Unaudited) (Parenthetical) - $ / shares | 6 Months Ended
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Jul. 01, 2017 | Jul. 02, 2016
Cash dividends per share | $ 1.42 | $ 1.22
Share repurchases, shares | 745,000 | 377,000
Retained Earnings [Member] |  |
Cash dividends per share | $ 1.42 | $ 1.22
Treasury Stock [Member] |  |
Share repurchases, shares | 745,000 | 377,000

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