Segment Information - Revenue by Service/Product Solution (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenue from External Customer [Line Items]
Document Period End Date			Sep. 30, 2016
Services	$ 542.7	$ 346.4	$ 1,235.9	$ 1,040.9
Products	440.6	243.2	837.0	768.0
Total net sales	983.3	589.6	2,072.9	1,808.9
Financial self-service [Member]
Revenue from External Customer [Line Items]
Services	415.3	293.1	1,009.2	883.3
Products	281.4	216.6	627.1	689.3
Total net sales	696.7	509.7	1,636.3	1,572.6
Retail [Member] [Member]
Revenue from External Customer [Line Items]
Services	77.3	0.0	77.3	0.0
Products	96.3	0.0	96.3	0.0
Total net sales	173.6	0.0	173.6	0.0
Security [Member]
Revenue from External Customer [Line Items]
Services	50.1	53.3	149.4	157.6
Products	16.1	21.4	49.1	61.5
Total net sales	66.2	74.7	198.5	219.1
Brazil Other [Member]
Revenue from External Customer [Line Items]
Total net sales	$ 46.8	$ 5.2	$ 64.5	$ 17.2