Benefit Plans Benefit Plans - Change in Plan Assets Unobservable Inputs (Details) (USD $) In Thousands, unless otherwise specified				12 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Pension Benefits [Member] Level 3 [Member]	Dec. 31, 2010 Pension Benefits [Member] Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Balance, January 1	$ 0	$ 2,030	$ 2,386	$ 56,775	$ 36,473
Acquisitions				5,394	15,540
Dispositions				(1,536)	(383)
Realized gain, net				537	1,907
Unrealized gain, net				5,428	3,238
Balance, December 31	$ 0	$ 2,030	$ 2,386	$ 66,598	$ 56,775

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Realized Gain Loss

No definition available.

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- Definition

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Unealized Gain Loss

+ References

No definition available.

+ Details

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Namespace Prefix:	dbd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Details

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- Definition

Purchases that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)

-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Sales that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 32

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

+ Details

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