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PENSION AND POSTRETIREMENT WELFARE PLANS (Details 3) (Pension Plan, USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Weighted average assumptions used to determine the benefit obligation |  |
Discount rate (as a percent) | 4.75% | 4.00%
Rate of compensation increases (as a percent) | 2.00% | 5.00%
Weighted average assumptions used to determine net periodic expense |  |
Discount rate (as a percent) | 4.00% | 4.75%
Expected long-term rate of return on plan assets (as a percent) | 7.00% | 7.00%
Rate of compensation increases (as a percent) | 5.00% | 5.00%
Expected contributions |  |
Expected contributions during 2014 | $ 285 |
Pension plans' actual percentage of plan assets and the target percentage of plan assets |  |
Actual percentage of plan assets | 100.00% | 100.00%
Total (as a percent) | 100.00% |
Cash equivalents |  |
Pension plans' actual percentage of plan assets and the target percentage of plan assets |  |
Actual percentage of plan assets | 5.00% | 4.00%
Equity securities |  |
Pension plans' actual percentage of plan assets and the target percentage of plan assets |  |
Actual percentage of plan assets | 64.00% | 65.00%
Minimum (as a percent) | 55.00% |
Maximum (as a percent) | 75.00% |
Fixed income securities |  |
Pension plans' actual percentage of plan assets and the target percentage of plan assets |  |
Actual percentage of plan assets | 31.00% | 31.00%
Minimum (as a percent) | 25.00% |
Maximum (as a percent) | 45.00% |
Cash |  |
Pension plans' actual percentage of plan assets and the target percentage of plan assets |  |
Minimum (as a percent) | 0.00% |
Maximum (as a percent) | 20.00% |

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- Definition The interest rate used to adjust for the time value of money for the plan. + 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 (k)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Expected rate of compensation increases (for pay-related plans). + 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 (k)(2) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition The interest rate used to adjust for the time value of money. + 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 (k)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Glossary Expected Long-Term Rate of Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512013 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Expected rate of compensation increases (for pay-related plans). + 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 (k)(2) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. + 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 (g) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Target allocation of investments of this type to total plan assets presented on a weighted average basis. + 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)(i) -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)(i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 + Details
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