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Contingencies - Additional Information (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) States | Dec. 31, 2014 USD ($)
Site Contingency [Line Items] |  |
Environmental and legal losses, minimum | $ 20,900,000 |
Environmental and legal losses, maximum | 41,400,000 |
Accrued liability for losses | 20,900,000 | $ 22,000,000
Cash outlays related to legal and environmental matters | $ 2,700,000 | 1,200,000
Number of states examining company unclaimed property records | States | 7 |
Liability for unpaid claim and claim adjustment expense, claims paid | $ 0 | $ 3,500,000
VAT inflation, penalty and interest charges | $ 0 |
Wilmington Site [Member] |  |
Site Contingency [Line Items] |  |
Contribution for future response costs | 5.00% |
Payment of environmental response costs | $ 2,400,000 |

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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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