Condensed Consolidated Statements of Equity (Unaudited) (Parenthetical) - $ / shares	9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015
Cash dividends per share	$ 1.83	$ 1.59
Share repurchases, shares	492,000	670,000
Retained Earnings [Member]
Cash dividends per share	$ 1.83	$ 1.59
Treasury Stock [Member]
Share repurchases, shares	492,000	670,000