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.

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash inflow from debt classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromOtherDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The net cash inflow or cash outflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

+ Details

Name:	us-gaap_ProceedsFromRepaymentsOfLinesOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash outflow for the payment of debt classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

+ Details

Name:	us-gaap_RepaymentsOfOtherDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=dbd_A2022TermLoanAFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dbd_TermLoanA1FacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dbd_UncommittedLineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dbd_TermLoanAFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dbd_DelayedDrawTermLoanAFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dbd_TermLoanBUSDMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dbd_TermLoanBEURMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt Debt - Cash Flow Information (Details) - USD ($) $ in Millions		12 Months Ended
	Aug. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Proceeds from (Repayments of) Lines of Credit		$ (125.0)	$ 50.0	$ 75.0
Proceeds from Other Debt		397.8	725.9	374.1
Repayments of Other Debt		(375.7)	(337.7)	$ (458.8)
2022 Term Loan A Facility [Member]
Debt Instrument [Line Items]
Proceeds from Other Debt		374.3	0.0
Repayments of Other Debt		(4.0)
Term Loan A-1 Facility [Member]
Debt Instrument [Line Items]
Proceeds from Other Debt	$ 650.0	0.0	650.0
Repayments of Other Debt		(23.0)	(8.1)
Uncommitted Line of Credit [Member]
Debt Instrument [Line Items]
Proceeds from Other Debt		23.5	75.9
Repayments of Other Debt		(43.9)	(62.8)
Term Loan A Facility [Member]
Debt Instrument [Line Items]
Repayments of Other Debt		(126.3)	(75.0)
Delayed Draw Term Loan A Facility [Member]
Debt Instrument [Line Items]
Repayments of Other Debt		(160.5)	(83.2)
Term Loan B USD [Member]
Debt Instrument [Line Items]
Repayments of Other Debt		(9.2)	(53.0)
Term Loan B EUR [Member]
Debt Instrument [Line Items]
Repayments of Other Debt		$ (8.8)	$ (55.6)