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Commitments and Contingencies - Additional Information (Detail)
$ in Millions
Jun. 27, 2015
USD ($)
LegalMatter
Dec. 31, 2014
USD ($)
Loss Contingencies [Line Items]    
Number of asbestos-related claims outstanding | LegalMatter 3,600  
Estimated liability for asbestos-related claims $ 243.6 $ 249.1
Estimated receivable for asbestos-related insurance recoveries 112.4 115.8
Environmental reserve 23.0 31.4
Letters of credit outstanding 400.0 370.1
Water Transport [Member]    
Loss Contingencies [Line Items]    
Letters of credit outstanding $ 21.5 $ 32.4