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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2012 Environmental | Dec. 31, 2011 Environmental | Dec. 31, 2010 Environmental | Dec. 31, 2012 Brazilian Tax Disputes - Case 1 | Aug. 31, 2005 Brazilian Tax Disputes - Case 2 | Dec. 31, 2012 Other defendants case claim
Commitments and Contingencies |  |  |  |  |  |
Accruals for environmental matters | $ 1.9 | $ 2.5 |  |  |  |
Charges related to environmental matters | 1.2 | 2.0 | 2.6 |  |  |
Estimated claims or assessment, before tax |  |  |  | 3 | 3 |
Estimated claims or assessment, additional amount |  |  |  | 29 | 9 |
Estimated claims or assessment, aggregate amount |  |  |  |  | 12 |
Approximate number of defendants in claims against the company (in persons) |  |  |  |  |  | 90
Minimum amount of damages |  |  |  |  |  | 20
Maximum amount of damages |  |  |  |  |  | $ 25
Number of pending claims |  |  |  |  |  | 18,302
Number of claims pending in New York Supreme Court |  |  |  |  |  | 17,813
Number of claims pending in various counties in a number of state courts, and in certain Federal Distrct Courts |  |  |  |  |  | 489
Number of claims dismissed to date by stipulation or summary judgment prior to trial |  |  |  |  |  | 26,480
Number of active or in extremis cases in New York County |  |  |  |  |  | 651

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