Segment Information (Textuals) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Legal, Acquisition, and Divestiture Fees		$ 18.9
Business Combination, Integration Related Costs	$ 15.2	12.9
Cost of sales	823.3	860.3
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Non Routine Expenses Net	35.3	77.4
Diebold Nixdorf AG [Member]
Segment Reporting Information [Line Items]
Purchase accounting adjustment related to amortization of acquired intangible assets	$ 31.2	31.8
Purchase accounting adjustment related to acquired deferred revenue		$ 10.4