Segment Information (Textuals) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting Information [Line Items]
Legal, Acquisition, and Divestiture Fees		$ 14.5		$ 29.7
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Non Routine Expenses Net	$ 41.3	129.7	$ 77.8	166.9
Diebold Nixdorf AG [Member]
Segment Reporting Information [Line Items]
Purchase accounting adjustment related to amortization of acquired intangible assets	$ (24.4)	$ (29.4)	$ (49.0)	$ (60.6)