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Business Restructuring - Additional Information (Detail) | 3 Months Ended
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Mar. 31, 2017 USD ($) Employees
Restructuring Cost And Reserve [Line Items] |
Business restructuring | $ 786,000
Other Expense [Member] |
Restructuring Cost And Reserve [Line Items] |
Business restructuring | 786,000
Longford Mills [Member] | Surfactants [Member] |
Restructuring Cost And Reserve [Line Items] |
Business restructuring | $ 3,603,000
Number positions eliminated | Employees | 30
Expected restructuring expenses | $ 4,500,000
Longford Mills [Member] | Surfactants [Member] | Termination Benefits [Member] |
Restructuring Cost And Reserve [Line Items] |
Business restructuring | 1,594,000
Longford Mills [Member] | Surfactants [Member] | Other Expense [Member] |
Restructuring Cost And Reserve [Line Items] |
Business restructuring | $ 2,009,000

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