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Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | Sep. 27, 2014 LegalMatter | Dec. 31, 2013
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Loss Contingencies [Line Items] |  |
Number of asbestos-related claims outstanding | 3,200 |
Estimated liability for asbestos-related claims | $ 250.5 | $ 254.7
Estimated receivable for asbestos-related insurance recoveries | 116.1 | 119.6
Environmental reserve | 33.1 | 34.8
Letters of credit outstanding | 466.9 | 484.0
Water Transport [Member] |  |
Loss Contingencies [Line Items] |  |
Letters of credit outstanding | $ 42.6 | $ 25.3

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