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Commitments and Contingencies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended 3 Months Ended
Mar. 29, 2014
sites
Dec. 28, 2013
Centredale Site [Member]
Dec. 28, 2013
Centredale Site [Member]
Minimum
Dec. 28, 2013
Centredale Site [Member]
Maximum
Mar. 29, 2014
Property, Plant and Equipment, Other Types
Dec. 28, 2013
Property, Plant and Equipment, Other Types
Mar. 29, 2014
Property, Plant and Equipment, Other Types
Minimum
Mar. 29, 2014
Property, Plant and Equipment, Other Types
Maximum
Mar. 29, 2014
Passaic River [Member] [Domain]
Loss Contingencies [Line Items]                  
Environmental remediation costs deemed probable and reasonably estimable     $ 68.1 $ 139.7     $ 137.6 $ 272.3 $ 1,700.0
Environmental remediation costs, reserve   68.1     182.5 184.1      
Superfund Sites 31                
Reserve for environmental remediation costs, current         13.1        
Reserve for environmental remediation costs, noncurrent         169.4        
Accrual for Environmental Loss Contingencies, EPA Funded Amount         23.1        
Environmental remediation. Period construction of treatment facility to be maintained 30 years               5 years
Accrual for Environmental Loss Contingencies, Obligation After EPA Funding         $ 159.4