Contingencies - Additional Information (Detail) - USD ($) $ in Millions |
Sep. 30, 2017 |
Dec. 31, 2016 |
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Commitments and Contingencies Disclosure [Abstract] | ||
Accrual for environmental loss contingencies, gross | $ 18.7 | $ 21.9 |
Accrued environmental loss contingencies, current | 6.3 | 9.5 |
Accrued environmental loss contingencies, noncurrent | $ 12.4 | $ 12.4 |
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- Definition Undiscounted amount of the accrual for environmental loss contingencies. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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