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Pension and Postretirement Benefits (Details Textual) (USD $) | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  |  |  | 12 Months Ended
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Dec. 31, 2013 PensionFunds | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Funded Plans | Dec. 31, 2012 Funded Plans | Dec. 31, 2013 Unfunded Pension Plans | Dec. 31, 2012 Unfunded Pension Plans | Dec. 31, 2013 Foreign Pension Plans | Dec. 31, 2012 Foreign Pension Plans | Dec. 31, 2011 Foreign Pension Plans | Dec. 31, 2013 Foreign Pension Plans Funded Plans | Dec. 31, 2012 Foreign Pension Plans Funded Plans | Dec. 31, 2013 Foreign Pension Plans Unfunded Pension Plans | Dec. 31, 2012 Foreign Pension Plans Unfunded Pension Plans | Dec. 31, 2013 Postretirement Benefit Plans | Dec. 31, 2019 Scenario Forecast
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated net actuarial loss for pension plans that is expected to be amortized | $ 416,000 |  |  |  |  |  |  | $ (248,000) | $ (201,000) | $ (73,000) |  |  |  |  | $ 405,000 |
Estimated prior service credit for postretirement benefit plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 592,000 |
Funded status |  |  |  | (2,563,000) | (4,724,000) | (10,536,000) | (11,570,000) |  |  |  | 100,000 | (2,390,000) | (2,911,000) | (3,032,000) |  |
Liabilities of funded plans |  |  |  |  |  |  |  |  |  |  |  | 2,400,000 |  |  |  |
Liabilities of unfunded plans |  |  |  |  |  |  |  |  |  |  |  |  | 2,900,000 | 3,000,000 |  |
Net actuarial losses for the foreign funded plans (before tax) |  |  |  |  |  |  |  | 3,800,000 | 5,300,000 |  |  |  |  |  |  |
Net actuarial losses for the foreign funded plans (after tax) |  |  |  |  |  |  |  | 2,800,000 | 3,900,000 |  |  |  |  |  |  |
Net actuarial losses for the foreign unfunded plans (before tax) |  |  |  |  |  |  |  | 367,000 | 366,000 |  |  |  |  |  |  |
Net actuarial losses for the foreign unfunded plans (after tax) |  |  |  |  |  |  |  | 275,000 | 271,000 |  |  |  |  |  |  |
Amount expected to contribute in funded pension plans |  |  |  | 1,400,000 |  |  |  |  |  |  |  |  |  |  |  |
Amount expected to contribute in unfunded pension plans |  |  |  |  |  | 942,000 |  |  |  |  |  |  |  |  |  |
Amount expected to contribute in postretirement benefit plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 950,000 |
Assumed health care cost trend rate | 8.00% | 8.50% |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.00%
Decrease in assumed health care cost trend rate | 0.50% | 0.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of one percentage point increase on accumulated post retirement benefit obligation | 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of one percentage point increase in assumed health care cost trend rate on total service and interest cost components | 113,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of one percentage point decrease in assumed health care cost trend rate on accumulated post retirement benefit obligation | 1,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of one percentage point decrease in assumed health care cost trend rate on total service and interest cost components | 90,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum percentage of funding status of plans in red zone | 65.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum percentage of funding status of plans in yellow zone | 80.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum percentage of funding status of plans in green zone | 80.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of excess employer contributions | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate number of funds | 37 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of other employee benefit plans | $ 1,300,000 | $ 1,700,000 | $ 1,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The effect of a one-percentage-point increase in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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