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Stock Based Compensation (Stock Options - Outstanding and Exercisable) (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
 12 Months Ended
Dec. 27, 2013
Dec. 28, 2012
Dec. 30, 2011
Dec. 31, 2010
Dec. 27, 2013
Range 1 [Member]
Dec. 27, 2013
Range 2 [Member]
Dec. 27, 2013
Range 3 [Member]
Dec. 27, 2013
Range 4 [Member]
Dec. 27, 2013
Range 6 [Member]
Dec. 27, 2013
Range 7 [Member]
Dec. 27, 2013
Range 8 [Member]
Dec. 27, 2013
Range 9 [Member]
Dec. 27, 2013
Range 10 [Member]
Dec. 27, 2013
Range 11 [Member]
Dec. 27, 2013
Range 12 [Member]
Dec. 27, 2013
Range 13 [Member]
Dec. 27, 2013
Range 14 [Member]
Dec. 27, 2013
Range 15 [Member]
Dec. 27, 2013
Range 16 [Member]
Dec. 27, 2013
Range 17 [Member]
Dec. 27, 2013
Range 18 [Member]
Dec. 27, 2013
Range 19 [Member]
Dec. 27, 2013
Range 20 [Member] [Member]
Dec. 27, 2013
Range 21 [Member]
Dec. 27, 2013
Range 22 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]                                                  
Exercise Price $ 25.74 $ 24.12 $ 23.90 $ 22.82 $ 14.77 $ 15.78 $ 17.35 $ 18.31 $ 19.76 $ 28.09 $ 19.83 $ 20.13 $ 21.72 $ 22.25 $ 23.76 $ 26.52 $ 28.01 $ 26.67 $ 29.84 $ 30.59 $ 32.28 $ 33.97 $ 33.97 $ 22.46 $ 24.29
Remaining Contractual Life         5 years 4 months 4 days 2 years 7 months 18 days 3 years 2 months 1 day 2 years 4 months 6 days 2 years 2 months 3 days 9 years 7 months 4 days 5 years 1 month 29 days 6 years 2 months 5 days 5 years 7 months 4 days 4 years 7 months 3 days 7 years 7 months 7 days 9 years 1 month 24 days 9 years 7 months 4 days 7 years 2 months 3 days 1 year 4 months 0 days 3 years 11 months 3 days 1 year 1 month 20 days 4 years 2 months 0 days 4 years 2 months 0 days 8 years 2 months 2 days 8 years 7 months 5 days
Outstanding 3,972,795 5,195,134 4,737,052 4,882,901 30,000 52,000 6,250 6,000 6,250 446,000 18,750 32,200 330,400 306,994 597,400 161,000 149,000 161,000 635,051 24,000 25,000 161,000 37,500 96,600 690,400
Outstanding Intrinsic Value $ 12.9       $ 0.4 $ 0.7 $ 0.1 $ 0.1 $ 0.1 $ 0 $ 0.2 $ 0.3 $ 2.2 $ 1.9 $ 2.7 $ 0.3 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0.6 $ 2.8
Exercisable 2,349,795 3,460,134 2,908,052   30,000 52,000 6,250 6,000 6,250 89,200 18,750 0 330,400 306,994 255,400 32,200 29,800 96,600 635,051 24,000 25,000 161,000 37,500 0 207,400
Exercisable Intrinsic Value $ 8.0       $ 0.4 $ 0.7 $ 0.1 $ 0.1 $ 0.1 $ 0 $ 0.2 $ 0 $ 2.2 $ 1.9 $ 1.2 $ 0.1 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0.8