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Commitments and Contingencies - Additional Information (Detail)
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 28, 2015
LegalMatter
Jun. 28, 2014
USD ($)
Jun. 27, 2015
USD ($)
LegalMatter
Jun. 28, 2014
USD ($)
Feb. 09, 2015
LegalMatter
Commitments and Contingencies Disclosure [Line Items]          
Legal accrual   $ 80,000,000   $ 80,000,000  
Delaware Court of Chancery [Member]          
Commitments and Contingencies Disclosure [Line Items]          
Number of lawsuits filed | LegalMatter     8    
Number of class action filed | LegalMatter         1
Palm Beach County Circuit Court [Member]          
Commitments and Contingencies Disclosure [Line Items]          
Number of lawsuits filed | LegalMatter 2        
Minimum          
Commitments and Contingencies Disclosure [Line Items]          
Losses for environmental liabilities     $ 10,000,000    
Maximum          
Commitments and Contingencies Disclosure [Line Items]          
Losses for environmental liabilities     25,000,000    
Settled Litigation          
Commitments and Contingencies Disclosure [Line Items]          
Legal accrual   $ 80,000,000 9,000,000 $ 80,000,000  
Settlement amount agreed     $ 68,000,000    
Settlement agreement date     Dec. 19, 2014