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Accrued Expenses (Schedule Of Accrued Expenses) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Accrued Liabilities [Abstract] |  |
Vacation | $ 7,155 | $ 7,266
Payrolls, related taxes and medical and other benefits | 4,762 | 4,119
Incentive compensation | 3,883 | 3,803
Workers’ compensation and disabilities | 3,036 | 3,007
Accrued Utilities, Current | 2,048 | 2,186
Accrued Customer Rebates | 2,032 | 2,055
Other | 7,076 | 9,132
Total | 33,653 | 32,049
Accrued Severance Liability | 1,908 | 245
Derivative Assets (Liabilities), at Fair Value, Net | $ 1,753 | $ 236

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- Definition Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Liabilities -URI http://asc.fasb.org/extlink&oid=6509677 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6911-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6935-107765 + Details
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