Shareholders' Equity (Schedule Of Weighted Average Assumptions Used In Stock Options Granted) (Detail)	3 Months Ended		9 Months Ended
	Oct. 03, 2014	Sep. 27, 2013	Oct. 03, 2014	Sep. 27, 2013
Stockholders Equity [Line Items]
Expected dividend yield	0.00%	0.00%	0.00%	0.00%
Expected stock price volatility	35.40%	34.70%	35.40%	34.80%
Risk free interest rate	0.90%	0.50%	1.20%	0.50%
Expected life of options	3 years 11 months 0 days	3 years 10 months 0 days	4 years 0 months 0 days	4 years 0 months 0 days