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Commitments and Contingencies - Additional Information (Details) | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Mar. 31, 2016 USD ($) mi | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) entity | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |
Accrual for environmental loss contingencies |  | $ 3,400,000 |  | $ 3,400,000 |  | $ 2,900,000
Aggregate environmental accruals included in current other accrued liabilities |  | 1,700,000 |  | 1,700,000 |  | 1,100,000
Amount which is better estimate within range |  | 0 |  | 0 |  | 0
Remediation accrual balance if accrued at high end of the range of possible outcomes |  | 16,000,000 |  | 16,000,000 |  |
Environmental remediation spending charged to reserve balance |  | 200,000 | $ 500,000 | 700,000 | $ 2,800,000 |
Operating costs relating to environmental compliance |  | 2,600,000 | 3,100,000 | 7,500,000 | 9,500,000 |
Capital expenditure for environmental matters |  | 4,800,000 | $ 1,800,000 | 9,600,000 | $ 4,200,000 |
Kent, Washington Site |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Accrual for environmental loss contingencies |  | 300,000 |  | 300,000 |  | 500,000
Omega Chemical Corporation Superfund Site, Whittier | California |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Accrual for environmental loss contingencies |  | 700,000 |  | $ 700,000 |  | 300,000
Contribution to waste tonnage (as a percent) |  |  |  | 1.07% |  |
Lower Passaic River |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of entities, in addition to Hexcel, who received a directive from the New Jersey Department of Environmental Protection | entity |  |  |  | 52 |  |
Portion of the river for which Record of Decision setting forth the EPA's selected remedy (in miles) | mi | 8 |  |  |  |  |
Portion of upper miles of river for which EPA not yet selected remedy | mi | 9 |  |  |  |  |
Accrual for environmental loss contingencies |  | $ 2,100,000 |  | $ 2,100,000 |  | $ 1,900,000
Lower Passaic River | Minimum |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Expected cost of capping and dredging of the lower eight miles of the river by EPA | $ 970,000,000 |  |  |  |  |
Lower Passaic River | Maximum |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Expected cost of capping and dredging of the lower eight miles of the river by EPA | $ 2,070,000,000 |  |  |  |  |

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