Earnings (Loss) Per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Income (loss) used in basic and diluted earnings per share:
Net (loss) income attributable to Diebold, Incorporated	$ (2.8)us-gaap_NetIncomeLoss	$ 9.8us-gaap_NetIncomeLoss
Denominator (in millions):
Weighted-average number of common shares used in basic earnings per share	64.7	64.3
Effect of dilutive shares (1)	0	0.5
Weighted-average number of shares used in diluted earnings per share	64.7	64.8
Net income attributable to Diebold, Incorporated
Basic (loss) earnings per share	$ (0.04)us-gaap_EarningsPerShareBasic	$ 0.15us-gaap_EarningsPerShareBasic
Diluted (loss) earnings per share	$ (0.04)us-gaap_EarningsPerShareDiluted	$ 0.15us-gaap_EarningsPerShareDiluted
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2.2	1.7
Incremental Shares, Excluded From Dilutive Calculation, Due To Resulting in Operating Loss	0.7

Incremental Shares, Excluded From Dilutive Calculation, Due To Resulting in Operating Loss

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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