Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net loss	$ (93.4)	$ (131.9)
Other comprehensive income (loss), net of tax
Net loss recognized in other comprehensive income (net of tax of $(4.1) and $0.5, respectively)	(19.7)	(2.3)
Reclassification adjustment for amounts recognized in net income	4.5	0.5
Total interest rate hedges	(15.2)	(1.8)
Net actuarial gain (loss) amortization (net of tax of $3.5, and $(0.3), respectively)	6.8	(0.5)
Other comprehensive (loss) income, net of tax	(105.5)	0.8
Comprehensive loss	(198.9)	(131.1)
Less: comprehensive (loss) income attributable to noncontrolling interests	(1.9)	3.5
Comprehensive loss attributable to Diebold Nixdorf, Incorporated	(197.0)	(134.6)
Other Comprehensive Income - Other [Member]
Other comprehensive income (loss), net of tax
Other	(1.2)	0.1
Translation adjustment
Other comprehensive income (loss), net of tax
Translation adjustment and foreign currency hedges	(96.6)	3.6
Foreign currency hedges (net of tax of $0.3 and $0.4, respectively)
Other comprehensive income (loss), net of tax
Translation adjustment and foreign currency hedges	$ 0.7	$ (0.6)