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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares
3 Months Ended 9 Months Ended
Oct. 02, 2016
Oct. 04, 2015
Oct. 02, 2016
Oct. 04, 2015
Common stock        
Dividends paid per share (USD per share) $ 0.618 $ 0.583 $ 1.784 $ 1.653
Class B common stock        
Dividends paid per share (USD per share) $ 0.562 $ 0.530 $ 1.622 $ 1.502