Stock Based Compensation (Weighted Average Assumptions Used in Black-Scholes Option Pricing Model) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 27, 2013	Dec. 28, 2012	Dec. 30, 2011
Share-based Compensation [Abstract]
Volatility	37.98%	46.18%	45.40%
Risk-free rate	1.27%	0.67%	1.39%
Dividends yield	1.80%	1.64%	1.54%
Expected term of grant	5 years	5 years	5 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value	$ 7.8	$ 1.7