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Non Routine Expenses Net.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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This item represents liabilities associated with restructuring or exit activities of the acquiree, existing at the acquisition date (present liabilities of the acquiree).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of costs incurred to date for the specified restructuring cost.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of expected cost remaining for the specified restructuring cost.

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No definition available.

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Restructuring (Textuals) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
Restructuring (Textuals) (Details) - USD ($) $ in Millions	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2019	Sep. 30, 2017	Aug. 15, 2016
Unusual or Infrequent Item [Line Items]
Restructuring Charges	$ 3.9	$ 12.9
Impairment of assets	0.0	(3.1)
Delta Program [Member]
Unusual or Infrequent Item [Line Items]
Restructuring Liabilities				$ 37.3	$ 45.5
DN2020 Plan [Member]
Unusual or Infrequent Item [Line Items]
Restructuring Charges	3.8	12.9
Restructuring and Related Cost, Expected Cost Remaining	50.0
Strategic Alliance Plan [Member]
Unusual or Infrequent Item [Line Items]
Restructuring Charges	0.1
Segment Reconciling Items [Member]
Unusual or Infrequent Item [Line Items]
Restructuring Charges	3.9	12.9
Non routine (expenses) income net	(35.3)	(77.4)
Subsequent Event [Member] \| DN2020 Plan [Member]
Unusual or Infrequent Item [Line Items]
Anticipated Annual Synergies			$ 240.0
Severance
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	105.0
Restructuring Charges	3.9
Severance \| Delta Program [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	3.2
Severance \| DN2020 Plan [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	93.6
Severance \| Strategic Alliance Plan [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	8.2
Severance \| Services Segment [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	57.7
Restructuring Charges	1.7	4.7
Severance \| Services Segment [Member] \| Delta Program [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	0.1
Severance \| Services Segment [Member] \| DN2020 Plan [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	54.5
Severance \| Services Segment [Member] \| Strategic Alliance Plan [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	3.1
Severance \| Software Segment [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	10.8
Restructuring Charges	0.5	0.1
Severance \| Software Segment [Member] \| Delta Program [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	1.8
Severance \| Software Segment [Member] \| DN2020 Plan [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	8.5
Severance \| Software Segment [Member] \| Strategic Alliance Plan [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	0.5
Severance \| Systems Segment [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	26.5
Restructuring Charges	0.9	1.8
Severance \| Systems Segment [Member] \| Delta Program [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	0.0
Severance \| Systems Segment [Member] \| DN2020 Plan [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	21.9
Severance \| Systems Segment [Member] \| Strategic Alliance Plan [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	4.6
Severance \| Corporate, Non-Segment [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	10.0
Restructuring Charges	0.8	$ 6.3
Severance \| Corporate, Non-Segment [Member] \| Delta Program [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	1.3
Severance \| Corporate, Non-Segment [Member] \| DN2020 Plan [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	8.7
Severance \| Corporate, Non-Segment [Member] \| Strategic Alliance Plan [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	$ 0.0
Measurement Period Adjustment [Member] \| Diebold Nixdorf AG [Member] \| Delta Program [Member]
Unusual or Infrequent Item [Line Items]
Restructuring Liabilities				$ 8.2