Goodwill and Other Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in carrying amounts of goodwill within the Company's segments are summarized as follows:

	Eurasia Banking		Americas Banking		Retail		Total
Goodwill	$	598.6	$	437.3	$	233.2	$	1,269.1
Accumulated impairment losses	(291.7)		(122.0)		(57.2)		(470.9)
Balance at January 1, 2019	$	306.9	$	315.3	$	176.0	$	798.2
Divestitures	(12.1)		—		(3.9)		(16.0)
Currency translation adjustment	(7.3)		(6.0)		(4.9)		(18.2)
Goodwill	$	579.2	$	431.3	$	224.4	$	1,234.9
Accumulated impairment losses	(291.7)		(122.0)		(57.2)		(470.9)
Balance at December 31, 2019	$	287.5	$	309.3	$	167.2	$	764.0
Divestitures	(6.4)		(2.4)		(1.2)		(10.0)
Transferred to assets held for sale	(1.4)		—		—		(1.4)
Currency translation adjustment	19.0		15.8		13.0		47.8
Goodwill	$	590.4	$	444.7	$	236.2	$	1,271.3
Accumulated impairment losses	(291.7)		(122.0)		(57.2)		(470.9)
Balance at December 31, 2020	$	298.7	$	322.7	$	179.0	$	800.4

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The following summarizes information on intangible assets by major category:

		December 31, 2020						December 31, 2019
	Weighted-average remaining useful lives	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Customer relationships, net	5.2 years	$	762.0	$	(354.1)	$	407.9	$	698.7	$	(251.0)	$	447.7
Capitalized software development	2.5 years	198.0		(160.0)		38.0		178.2		(132.2)		46.0
Development costs non-software	2.0 years	56.1		(55.8)		0.3		51.5		(47.5)		4.0
Other	6.5 years	69.8		(67.4)		2.4		79.3		(74.7)		4.6
Other intangible assets, net		323.9		(283.2)		40.7		309.0		(254.4)		54.6
Total		$	1,085.9	$	(637.3)	$	448.6	$	1,007.7	$	(505.4)	$	502.3

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

The expected annual amortization expense is as follows:

	Estimated amortization
2021	$	97.3
2022	96.4
2023	86.9
2024	81.7
2025	64.0
	$	426.3

Schedule of Capitalized Software Development

The following table identifies the activity relating to total capitalized software development:

	2020		2019		2018
Beginning balance as of January 1	$	46.0	$	70.7	$	93.1
Capitalization	17.2		23.1		29.8
Amortization	(27.2)		(30.6)		(33.7)
Impairment	—		(15.0)		—
Transferred to held for sale	—		—		(14.4)
Currency translation	2.0		(2.2)		(4.1)
Ending balance as of December 31	$	38.0	$	46.0	$	70.7