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Pension and Postretirement Benefits (Details 4) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | --- | ---
Domestic Pension Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | $ 10,624 | $ 9,846 |
Domestic Pension Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 10,401 | 72 |
Domestic Pension Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 223 | 9,774 |
Domestic Pension Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Postretirement Benefit Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 1,397 | 2,118 | 2,678
Postretirement Benefit Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 1,397 | 222 |
Postretirement Benefit Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 1,896 |
Postretirement Benefit Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Foreign Pension Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 12,997 | 11,028 |
Foreign Pension Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 12,620 | 10,672 |
Foreign Pension Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 377 | 356 |
Foreign Pension Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
U.S. equity securities [Member] | Domestic Pension Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 2,849 |
U.S. equity securities [Member] | Domestic Pension Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
U.S. equity securities [Member] | Domestic Pension Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 2,849 |
U.S. equity securities [Member] | Domestic Pension Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
U.S. equity securities [Member] | Postretirement Benefit Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 283 |
U.S. equity securities [Member] | Postretirement Benefit Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
U.S. equity securities [Member] | Postretirement Benefit Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 283 |
U.S. equity securities [Member] | Postretirement Benefit Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
U.S. equity securities [Member] | Foreign Pension Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 1,185 | 977 |
U.S. equity securities [Member] | Foreign Pension Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 1,185 | 977 |
U.S. equity securities [Member] | Foreign Pension Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
U.S. equity securities [Member] | Foreign Pension Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
International equity securities [Member] | Domestic Pension Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 914 |
International equity securities [Member] | Domestic Pension Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
International equity securities [Member] | Domestic Pension Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 914 |
International equity securities [Member] | Domestic Pension Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
International equity securities [Member] | Postretirement Benefit Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 89 |
International equity securities [Member] | Postretirement Benefit Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
International equity securities [Member] | Postretirement Benefit Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 89 |
International equity securities [Member] | Postretirement Benefit Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
International equity securities [Member] | Foreign Pension Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 4,871 | 3,995 |
International equity securities [Member] | Foreign Pension Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 4,494 | 3,639 |
International equity securities [Member] | Foreign Pension Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 377 | 356 |
International equity securities [Member] | Foreign Pension Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Aggregate fixed income securities [Member] | Domestic Pension Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 2,373 |
Aggregate fixed income securities [Member] | Domestic Pension Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Aggregate fixed income securities [Member] | Domestic Pension Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 2,373 |
Aggregate fixed income securities [Member] | Domestic Pension Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Aggregate fixed income securities [Member] | Postretirement Benefit Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 1,034 |
Aggregate fixed income securities [Member] | Postretirement Benefit Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Aggregate fixed income securities [Member] | Postretirement Benefit Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 1,034 |
Aggregate fixed income securities [Member] | Postretirement Benefit Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Long-term fixed income securities [Member] | Domestic Pension Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 3,412 |
Long-term fixed income securities [Member] | Domestic Pension Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Long-term fixed income securities [Member] | Domestic Pension Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 3,412 |
Long-term fixed income securities [Member] | Domestic Pension Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Long-term fixed income securities [Member] | Postretirement Benefit Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 490 |
Long-term fixed income securities [Member] | Postretirement Benefit Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Long-term fixed income securities [Member] | Postretirement Benefit Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 490 |
Long-term fixed income securities [Member] | Postretirement Benefit Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Cash [Member] | Domestic Pension Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 10,401 | 72 |
Cash [Member] | Domestic Pension Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 10,401 | 72 |
Cash [Member] | Domestic Pension Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Cash [Member] | Domestic Pension Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Cash [Member] | Postretirement Benefit Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 1,397 | 222 |
Cash [Member] | Postretirement Benefit Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  | 222 |
Cash [Member] | Postretirement Benefit Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Cash [Member] | Postretirement Benefit Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Other[Member] | Domestic Pension Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 223 | 226 |
Other[Member] | Domestic Pension Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Other[Member] | Domestic Pension Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 223 | 226 |
Other[Member] | Domestic Pension Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Other[Member] | Foreign Pension Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 197 | 81 |
Other[Member] | Foreign Pension Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 197 | 81 |
Other[Member] | Foreign Pension Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Other[Member] | Foreign Pension Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Canadian Fixed Income Securities [Member] | Foreign Pension Plans [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 6,744 | 5,975 |
Canadian Fixed Income Securities [Member] | Foreign Pension Plans [Member] | Quoted Prices in Active Markets (Level 1) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans | 6,744 | 5,975 |
Canadian Fixed Income Securities [Member] | Foreign Pension Plans [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |
Canadian Fixed Income Securities [Member] | Foreign Pension Plans [Member] | Significant Unobserved Inputs (Level 3) [Member] |  |  |
Fair value of the domestic plans assets by asset class |  |  |
Fair value measurement domestic pension plans |  |  |

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- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=6867990&loc=d3e12355-114930 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 87 -Paragraph 49 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph d(iv)(b)(i) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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