CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	6 Months Ended
	Jul. 01, 2017	Jun. 25, 2016
Increase (Decrease) in Stockholders' Equity
Cash dividends per share (USD per share)	$ 0.450	$ 0.420
Issuance of shares under employee stock plans (in shares)	4,233	3,708
Issuance of shares under stock grant programs (in shares)	142,145	114,132
Issuance of shares under deferred compensation plans (in shares)	44,208	47,914
Repurchase of shares (in shares)	110,880