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Pensions and Other Postretirement Benefit Plans (Reconciliation of Level 3 Assets) (Details) (Pension Plans [Member], USD $) In Thousands, unless otherwise specified |  |  |  | 12 Months Ended |  |  | 12 Months Ended |  |  | 12 Months Ended |  |  | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Significant Unobservable Inputs (Level 3) [Member] | Dec. 31, 2012 Significant Unobservable Inputs (Level 3) [Member] | Dec. 31, 2013 Insurance Contracts [Member] | Dec. 31, 2012 Insurance Contracts [Member] | Dec. 31, 2013 Insurance Contracts [Member] Significant Unobservable Inputs (Level 3) [Member] | Dec. 31, 2012 Insurance Contracts [Member] Significant Unobservable Inputs (Level 3) [Member] | Dec. 31, 2013 Limited Partnerships [Member] | Dec. 31, 2012 Limited Partnerships [Member] | Dec. 31, 2013 Limited Partnerships [Member] Significant Unobservable Inputs (Level 3) [Member] | Dec. 31, 2012 Limited Partnerships [Member] Significant Unobservable Inputs (Level 3) [Member] | Dec. 31, 2013 Hedge Funds [Member] | Dec. 31, 2012 Hedge Funds [Member] | Dec. 31, 2013 Hedge Funds [Member] Significant Unobservable Inputs (Level 3) [Member] | Dec. 31, 2012 Hedge Funds [Member] Significant Unobservable Inputs (Level 3) [Member]
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets, beginning of year | $ 168,390 | $ 173,434 | $ 304,658 | $ 10,634 | $ 11,594 | $ 2,875 | $ 2,542 | $ 2,542 | $ 2,361 | $ 7,034 | $ 7,556 | $ 7,556 | $ 8,676 | $ 392 | $ 536 | $ 536 | $ 557
Net realized (losses)/ gains |  |  |  | 94 |  |  |  |  |  |  |  | 94 |  |  |  |  |
Net unrealized gains/(losses) |  |  |  | 589 | 592 |  |  | 41 | 39 |  |  | 533 | 521 |  |  | 15 | 32
Net purchases, issuances and settlements |  |  |  | (1,016) | (1,552) |  |  | 292 | 142 |  |  | (1,149) | (1,641) |  |  | (159) | (53)
Net transfers (out of) Level 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets, end of year | $ 168,390 | $ 173,434 | $ 304,658 | $ 10,301 | $ 10,634 | $ 2,875 | $ 2,542 | $ 2,875 | $ 2,542 | $ 7,034 | $ 7,556 | $ 7,034 | $ 7,556 | $ 392 | $ 536 | $ 392 | $ 536

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- Definition Actual return on plan assets, separately identifying the amount related to assets sold during the period. + 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 (d)(iv)(02)(A) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(iv)(02)(A) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 + Details
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- Definition Actual return on plan assets, separately identifying the amount related to assets still held at the reporting date. + 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 (d)(iv)(02)(A) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(iv)(02)(A) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 + Details
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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 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: 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=29635418&loc=d3e12355-114930 + Details
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- Definition Amount of increase (decrease) in plan assets from purchases, sales and settlement of plan obligations. + 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 (d)(iv)(02)(B) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(iv)(02)(B) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 + Details
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- Definition Transfers in and out of Level 3. For example, transfers due to changes in the observability of significant inputs. + 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 (d)(iv)(02)(C) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(iv)(02)(C) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 + Details
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