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Contingencies - Additional Information (Detail) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2015 USD ($) | Jun. 30, 2015 USD ($) States | Jun. 30, 2014 USD ($) | Dec. 31, 2014 USD ($)
Site Contingency [Line Items] |  |  |  |
Environmental and legal losses, minimum |  | $ 20,700,000 |  |
Environmental and legal losses, maximum |  | 41,100,000 |  |
Accrued liability for losses |  | 20,700,000 |  | $ 22,000,000
Cash outlays related to legal and environmental matters |  | $ 1,900,000 | $ 500,000 |
Number of states examining company unclaimed property records | States |  | 7 |  |
Liability for unpaid claim and claim adjustment expense, claims paid | $ 4,016,000 | $ 784,000 |  | $ 3,475,000
VAT inflation, penalty and interest charges |  | $ 0 |  |
Maywood Site [Member] |  |  |  |
Site Contingency [Line Items] |  |  |  |
Accrual for environmental loss contingencies, increase (decrease) for revision in estimates | $ 600,000 |  |  |
Wilmington Site [Member] |  |  |  |
Site Contingency [Line Items] |  |  |  |
Contribution for future response costs |  | 5.00% |  |
Payment of environmental response costs |  | $ 2,300,000 |  |

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- Definition The Increase or Decrease in the accrual for environmental loss in the period from revisions in estimates to existing obligations. The amount does not relate to changes in the environmental accrual related to business acquisitions or divestitures, or to currency movements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q2) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
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