CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - shares	3 Months Ended
	Apr. 01, 2017	Mar. 26, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares under employee stock plans (in shares)	1,738	1,850
Issuance of shares under stock grant programs (in shares)	135,776	114,739
Issuance of shares under deferred compensation plans (in shares)	39,346	42,786
Repurchase of shares (in shares)	880