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Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity (Dividends Declared and Paid per Share) (Details) - $ / shares
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Equity [Abstract]      
Common shares (in dollars per share) $ 1.13 $ 1.09 $ 1.045