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Commitments and Contingencies (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014
Loss Contingencies [Line Items] |  |
Accrued environmental | $ 3,226,000 | $ 3,587,000
Number of years expected for future environmental remediation expenditures duration | 13 years |
Accrual for Environmental Loss Contingencies, Significant Assumptions | The Company accrues for certain environmental remediation-related activities for which commitments or remediation plans have been developed and for which costs can be reasonably estimated. These estimates are determined based upon currently available facts and circumstances regarding each facility. Actual costs incurred may vary from these estimates due to the inherent uncertainties involved. Future expenditures relating to these environmental remediation efforts are expected to be made over the next 14 years as ongoing costs of remediation programs. |
Restructuring and Related Cost, Expected Cost Remaining | $ 3,200,000 |
Restructuring Costs | 4,100,000 |
Restructuring Reserve | 2,719,000 |
Facility Closing [Member] |  |
Loss Contingencies [Line Items] |  |
Restructuring Costs | 710,000 |
Restructuring Reserve | 3,113,000 |
Cost of Sales [Member] |  |
Loss Contingencies [Line Items] |  |
Restructuring Costs | 1,700,000 |
Selling, General and Administrative Expenses [Member] |  |
Loss Contingencies [Line Items] |  |
Restructuring Costs | 2,400,000 |
Energy & Chemicals [Member] |  |
Loss Contingencies [Line Items] |  |
Severance Costs | 1,395,000 |
Restructuring and Related Cost, Expected Cost Remaining | 300,000 |
Distribution & Storage [Member] |  |
Loss Contingencies [Line Items] |  |
Severance Costs | 2,926,000 |
Restructuring and Related Cost, Expected Cost Remaining | 2,800,000 |
BioMedical [Member] |  |
Loss Contingencies [Line Items] |  |
Severance Costs | 1,798,000 |
Restructuring and Related Cost, Expected Cost Remaining | 100,000 |
Corporate [Member] |  |
Loss Contingencies [Line Items] |  |
Severance Costs | $ 1,329,000 |

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