Income Taxes (Details 3)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Federal statutory income tax rate to effective income tax rate for continuing operations
Federal statutory income tax rate (as a percent)	35.00%	35.00%	35.00%
Increase (decrease) in taxes resulting from:
State income taxes (as a percent)	2.40%	2.20%	3.10%
Non-U.S. tax rate differential and foreign tax credits (as a percent)	(7.20%)	(5.40%)	(9.40%)
Research credit (as a percent)	(3.80%)		(2.50%)
Other, net (as a percent)	(0.30%)	(0.90%)	1.90%
Effective rate (as a percent)	26.10%	30.90%	28.10%