Divestitures (Details) - USD ($) $ in Millions	3 Months Ended									6 Months Ended	12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2014	Jun. 30, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operations, Allowance For Doubtful Accounts Receivable, Current	$ 4.0				$ 2.1						$ 4.0	$ 2.1
Anticipated Equity Method Investment Majority Ownership Percentage	51.00%										51.00%
Equity Method Investment Majority Interest Ownership Percentage	60.00%										60.00%
Cost of sales
Income tax (benefit) expense											$ 93.9	9.6	$ 6.2
Income (loss) from discontinued operations, net of tax	$ 0.0	$ (4.6)	$ 0.5	$ 147.8	2.6	$ 4.5	$ 4.3	$ 4.5			143.7	15.9	9.7
Income (loss) from discontinued operations, net of tax											143.7	15.9	9.7
Current assets held for sale	0.0				148.2						0.0	148.2
LIABILITIES
Current liabilities held for sale	0.0				49.4						0.0	49.4
Impairment of assets	$ 9.8										$ 9.8	18.9	2.1
Aevi International GmbH And Diebold Nixdorf AG China Subsidiaries [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses		27.7
Diebold Nixdorf AG China Subsidiaries [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncash or Part Noncash Divestiture, Amount of Consideration Received		$ 44.7
Aisino Wincor Joint Venture [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Method Investment, Ownership Percentage	43.60%										43.60%
NA Electronic Security [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses					350.0
Divestiture Agreed Upon Contingent Payment	10.00%										10.00%
Divestiture Credit For Transition Services	$ 6.0										$ 6.0
Divestiture Credit For Transition Services Quarterly Payment	5.0										5.0
Divestiture Credit For Transition Services Credit Against Payments	$ 1.0										1.0
Divestiture Payment Of Quarterly Transition Services											5.0
Divestiture Use Of Credit Against Payments Of Transition Services											1.0
Services											16.3	221.5	204.8
Products											8.5	127.0	111.4
Disposal Group, Including Discontinued Operation, Revenue											24.8	348.5	316.2
Cost of sales
Services											15.1	181.1	172.6
Disposal Group, Including Discontinued Operations, Cost Of Goods Sold											6.9	102.2	90.5
Disposal Group, Including Discontinued Operations, Cost Of Goods And Services Sold											22.0	283.3	263.1
Gross profit											2.8	65.2	53.1
Selling and administrative expense											4.8	39.7	37.2
Income (loss) from discontinued operations before taxes											(2.0)	25.5	15.9
Income tax (benefit) expense											(0.7)	9.6	6.2
Gain (loss) on sale of discontinued operations before taxes											239.5	0.0	0.0
Income tax (benefit) expense											94.5	0.0	0.0
Gain (loss) on sale of discontinued operations, net of tax											145.0	0.0	0.0
Income (loss) from discontinued operations, net of tax											(1.3)	15.9	9.7
Income (loss) from discontinued operations, net of tax											$ 143.7	15.9	9.7
Cash and cash equivalents					(1.5)							(1.5)
Trade receivables, less allowances for doubtful accounts of $4.0 and $2.1, respectively					75.6							75.6
Inventories					29.1							29.1
Prepaid expenses					0.9							0.9
Other current assets					5.0							5.0
Current assets held for sale					109.1							109.1
Property, plant and equipment, net					5.2							5.2
Goodwill					33.9							33.9
Assets held for sale					148.2							148.2
LIABILITIES
Accounts payable					24.8							24.8
Deferred revenue					13.3							13.3
Payroll and other benefits liabilities					6.6							6.6
Other current liabilities					4.7							4.7
Current liabilities held for sale					49.4							49.4
Other long-term liabilities					0.0							0.0
Liabilities held for sale					$ 49.4							49.4
Eras Subsidiary [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses							1.0		$ 20.0
LIABILITIES
Gain (loss) on disposal													$ 13.7
VENEZUELA
LIABILITIES
Impairment of assets							$ (1.0)	$ 10.3		$ 9.3
Write-off of uncollectible accounts receivable												$ 0.4