Segment Information Segment Information - Revenue by Service/Product Solution (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Revenue from External Customer [Line Items]
Services	$ 394.0us-gaap_SalesRevenueServicesNet	$ 383.4us-gaap_SalesRevenueServicesNet
Products	261.5us-gaap_SalesRevenueGoodsNet	304.9us-gaap_SalesRevenueGoodsNet
Revenue, Net	655.5us-gaap_SalesRevenueNet	688.3us-gaap_SalesRevenueNet
Financial Self Service And Security [Member]
Revenue from External Customer [Line Items]
Revenue, Net	645.2	608.9
Financial Self-Service [Member]
Revenue from External Customer [Line Items]
Services	291.4	285.0
Products	203.8	181.5
Revenue, Net	495.2	466.5
Security [Member]
Revenue from External Customer [Line Items]
Services	102.6	98.4
Products	47.4	44.0
Revenue, Net	150.0	142.4
Brazil Other [Member]
Revenue from External Customer [Line Items]
Revenue, Net	$ 10.3	$ 79.4

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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, 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(a))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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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=26872669&loc=d3e20235-122688

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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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=26872669&loc=d3e20235-122688

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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