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Pension Plans (Summary Of Components Of Net Periodic Benefit Costs And Other Amounts Recognized In Other Comprehensive Income (Loss)) (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 21.1 $ 19.1 $ 16.5
Interest cost 52.0 53.9 54.2
Expected return on plan assets (66.6) (58.7) (57.9)
Amortization of prior service cost 1.2 1.1 1.2
Amortization of unrecognized loss 41.4 31.1 19.4
Settlement loss recognized 6.8    
Curtailment loss recognized     0.9
Net periodic benefit cost 55.9 46.5 34.3
Prior service cost (7.0) (0.2) (1.4)
Net loss (7.6) 61.1 13.5
Total recognized in OCI $ (14.6) $ 60.9 $ 12.1