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Taxes On Income From Continuing Operations (Narrative) (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jul. 01, 2012
Jun. 26, 2011
Jul. 01, 2012
Jun. 26, 2011
Apr. 01, 2012
Income Tax [Line Items]          
Effective income tax rate (0.60%) 21.30% 1.80% 22.60%  
Tax benefit settlement foreign $ 7.7        
Reduction in deferred tax liability 5.0        
Goodwill, tax deductible amount         $ 45