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Segments - Information on Segments and Reconciliation to Earnings Before Income Taxes from Continuing Operations (Footnote) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Manufacturing | Operating Segments    
Segment Reporting Information [Line Items]    
Inventory, including raw materials and work-in-process $ 14.0 $ 15.2