Segment Information (Textuals) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Legal, Acquisition, and Divestiture Fees	$ 20.7	$ 15.2
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Non Routine Expenses Net	47.8	37.2
Diebold Nixdorf AG [Member]
Segment Reporting Information [Line Items]
Purchase accounting adjustment related to amortization of acquired intangible assets	$ (24.6)	$ (31.2)