CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - shares	6 Months Ended
	Jun. 27, 2015	Jun. 28, 2014
CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
Purchase of treasury shares, shares	989,821	490,172
Stock plan exercises; shares acquired	82,989	78,217
Stock options exercised; shares issued	119,687	158,317
Stock awards; shares issued	4,846	8,822