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Discontinued Operations (Summary of Total Estimated Gains and Losses, Capital Expenditures and Operating Lease) (Parenthetical) (Details)
3 Months Ended
Mar. 31, 2019
USD ($)
EMEA and Pacific Rim Business [Member]  
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]  
ROU assets obtained in exchange for lease obligations $ 0