Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

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.

+ References

No definition available.

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Segment Information Revenue By Service/Product Solution (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Services and software									$ 2,873.9	$ 1,983.0	$ 1,434.8
Systems									1,735.4	1,333.3	984.5
Net sales summary by segment	$ 1,249.9	$ 1,122.7	$ 1,133.9	$ 1,102.8	$ 1,243.4	$ 983.3	$ 580.0	$ 509.6	4,609.3	3,316.3	2,419.3
Banking
Segment Reporting Information [Line Items]
Services and software									2,248.4	1,758.2	1,426.1
Systems									1,180.6	1,041.7	975.4
Net sales summary by segment									3,429.0	2,799.9	2,401.5
Retail
Segment Reporting Information [Line Items]
Services and software									625.5	224.8	0.0
Systems									554.8	291.6	17.8
Net sales summary by segment									1,180.3	516.4	17.8
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales summary by segment									$ 4,609.3	$ 3,316.3	$ 2,419.3