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PENSION AND POST RETIREMENT PLANS (Details 2) (Pension Benefits, USD $) In Millions, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | --- | ---
Fair value of plan assets, by asset category |  |  |
Total | $ 172.8 | $ 149.2 | $ 126.0
Total |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 172.8 | 149.2 |
Total | Cash |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 6.9 | 8.3 |
Total | U.S. large-cap |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 64.2 | 53.8 |
Total | U.S. mid- and small-cap |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 35.7 | 29.8 |
Total | International large-cap |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 19.0 | 16.7 |
Total | International small-cap |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 7.2 | 4.3 |
Total | U.S. Treasuries |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 0.6 | 0.8 |
Total | Municipal bonds |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 0.1 | 0.2 |
Total | Investment grade U.S. corporate bonds |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 1.9 | 2.0 |
Total | High-yield U.S. corporate bonds |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 6.7 | 6.4 |
Total | Emerging markets fixed income |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 8.9 | 4.3 |
Total | Mortgage-backed securities |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 12.7 | 14.0 |
Total | Real estate partnerships interests |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 8.6 | 7.8 |
Total | Private equity partnership interests |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 0.3 | 0.8 |
Quoted Prices in Active Markets (Level 1) |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 141.9 | 117.2 |
Quoted Prices in Active Markets (Level 1) | Cash |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 6.9 | 8.3 |
Quoted Prices in Active Markets (Level 1) | U.S. large-cap |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 64.2 | 53.8 |
Quoted Prices in Active Markets (Level 1) | U.S. mid- and small-cap |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 35.7 | 29.8 |
Quoted Prices in Active Markets (Level 1) | International large-cap |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 19.0 | 16.7 |
Quoted Prices in Active Markets (Level 1) | International small-cap |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 7.2 | 4.3 |
Quoted Prices in Active Markets (Level 1) | Emerging markets fixed income |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 8.9 | 4.3 |
Significant Observable Inputs (Level 2) |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 22.0 | 23.4 |
Significant Observable Inputs (Level 2) | U.S. Treasuries |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 0.6 | 0.8 |
Significant Observable Inputs (Level 2) | Municipal bonds |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 0.1 | 0.2 |
Significant Observable Inputs (Level 2) | Investment grade U.S. corporate bonds |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 1.9 | 2.0 |
Significant Observable Inputs (Level 2) | High-yield U.S. corporate bonds |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 6.7 | 6.4 |
Significant Observable Inputs (Level 2) | Mortgage-backed securities |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 12.7 | 14.0 |
Significant Unobservable Inputs (Level 3) |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 8.9 | 8.6 |
Significant Unobservable Inputs (Level 3) | Real estate partnerships interests |  |  |
Fair value of plan assets, by asset category |  |  |
Total | 8.6 | 7.8 |
Significant Unobservable Inputs (Level 3) | Private equity partnership interests |  |  |
Fair value of plan assets, by asset category |  |  |
Total | $ 0.3 | $ 0.8 |

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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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