Goodwill and Other Intangible Assets - From Acquisitions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 185.3	$ 215.7
Acquisitions/ Dispositions	(0.2)	(1.9)
Currency	1.1	(28.5)
Goodwill, Ending Balance	186.2	185.3
Latin America
Goodwill [Roll Forward]
Goodwill, Beginning Balance	11.7	16.0
Acquisitions/ Dispositions	0.0	0.0
Currency	1.7	(4.3)
Goodwill, Ending Balance	13.4	11.7
EMEA
Goodwill [Roll Forward]
Goodwill, Beginning Balance	75.0	84.4
Acquisitions/ Dispositions	(0.2)	(1.8)
Currency	(2.7)	(7.6)
Goodwill, Ending Balance	72.1	75.0
Asian countries
Goodwill [Roll Forward]
Goodwill, Beginning Balance	23.4	24.5
Acquisitions/ Dispositions	0.0	0.0
Currency	(0.6)	(1.1)
Goodwill, Ending Balance	22.8	23.4
U.S.
Goodwill [Roll Forward]
Goodwill, Beginning Balance	11.6	12.5
Acquisitions/ Dispositions	0.0	0.0
Currency	0.1	(0.9)
Goodwill, Ending Balance	11.7	11.6
France
Goodwill [Roll Forward]
Goodwill, Beginning Balance	41.6	46.3
Acquisitions/ Dispositions	0.0	0.0
Currency	(1.3)	(4.7)
Goodwill, Ending Balance	40.3	41.6
Mexico
Goodwill [Roll Forward]
Goodwill, Beginning Balance	7.5	11.3
Acquisitions/ Dispositions	0.0	(0.1)
Currency	1.4	(3.7)
Goodwill, Ending Balance	8.9	7.5
Brazil
Goodwill [Roll Forward]
Goodwill, Beginning Balance	10.4	15.5
Acquisitions/ Dispositions	0.0	0.0
Currency	2.2	(5.1)
Goodwill, Ending Balance	12.6	10.4
Canada
Goodwill [Roll Forward]
Goodwill, Beginning Balance	3.2	3.8
Acquisitions/ Dispositions	0.0	0.0
Currency	0.1	(0.6)
Goodwill, Ending Balance	3.3	3.2
Payment Services
Goodwill [Roll Forward]
Goodwill, Beginning Balance	0.9	1.4
Acquisitions/ Dispositions	0.0	0.0
Currency	0.2	(0.5)
Goodwill, Ending Balance	$ 1.1	$ 0.9