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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2017
Accounting Policies [Abstract] |
Property, plant and equipment estimated useful lives |
Asset Category | Useful Lives
Land | Not depreciated
Buildings | 15 to 40 years
Leasehold Improvements | Lesser of the useful life or the term of the respective lease
Furniture and Fixtures | 5 to 7 years
Machinery and Equipment | 5 to 20 years
Computer Software and Hardware | 3 to 5 years

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