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Employee Benefits Schedule of Allocation of Plan Assets (Tables) | 12 Months Ended
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Dec. 31, 2016
Compensation and Retirement Disclosure [Abstract] |
Schedule of Allocation of Plan Assets [Table Text Block] | As of December 31, 2016, the weighted-average target and actual asset allocations relating to our domestic and foreign pension plans' assets are listed below.
|  |  |  | December 31,
Asset Class |  | 2017 Target Allocation |  | 2016 |  | 2015
Equity securities |  | 24 | % |  | 23 | % |  | 22 | %
Fixed income securities |  | 29 | % |  | 26 | % |  | 38 | %
Real estate |  | 8 | % |  | 6 | % |  | 7 | %
Other |  | 39 | % |  | 45 | % |  | 33 | %
Total |  | 100 | % |  | 100 | % |  | 100 | %

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- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + 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)(5) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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