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EMPLOYEE BENEFIT PLANS Asset allocations (Details) | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Defined Benefit Plan Disclosure |  |
Equity securities | 100.00% | 100.00%
Fixed Income Investments [Member] |  |
Defined Benefit Plan Disclosure |  |
Equity securities | 44.70% | 41.40%
Other Investments [Member] |  |
Defined Benefit Plan Disclosure |  |
Equity securities | 15.40% | 21.70%
Canada | Equity Securities [Member] |  |
Defined Benefit Plan Disclosure |  |
Equity securities | 12.40% | 11.50%
United States | Equity Securities [Member] |  |
Defined Benefit Plan Disclosure |  |
Equity securities | 5.00% | 4.60%
Non-US [Member] | Equity Securities [Member] |  |
Defined Benefit Plan Disclosure |  |
Equity securities | 22.50% | 20.80%

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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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