Shareholders' Equity (Schedule Of Weighted Average Assumptions Used In Stock Options Granted) (Detail)	3 Months Ended		6 Months Ended
	Jul. 04, 2014	Jun. 28, 2013	Jul. 04, 2014	Jun. 28, 2013
Stockholders Equity [Line Items]
Expected dividend yield	0.00%	0.00%	0.00%	0.00%
Expected stock price volatility	35.30%	34.80%	35.40%	34.80%
Risk free interest rate	1.20%	0.50%	1.20%	0.50%
Expected life of options	4 years 0 months 0 days	4 years 0 months 0 days	4 years 0 months 0 days	4 years 0 months 0 days