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Accounting Policies Depreciation Calculation (Tables) | 12 Months Ended
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Dec. 31, 2019
Property, Plant and Equipment [Abstract] |
Property and Equipment [Table Text Block] | Depreciation of property and equipment is calculated based upon the cost of the asset, reduced by its estimated salvage value, using the straight-line method over the estimated useful lives as follows:
Buildings |  | 30-40 years
Equipment |  | 3-10 years
Leasehold improvements |  | Lesser of Useful Life or Initial Lease Term

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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