Settlement Assets and Obligations - Receivables from selling agents and Business Solutions customers (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($)
Receivables
Receivables from agents and Business Solutions customers	$ 956.9
Summary of activity in allowance for credit losses
Allowance for credit losses, Ending Balance	29.6
Receivables from agents
Receivables
Receivables from agents and Business Solutions customers	851.0
Summary of activity in allowance for credit losses
Allowance for credit losses, Beginning Balance	20.4
Current period provision for expected credit losses	8.1
Write-offs charged against the allowance	(1.7)
Impacts of foreign currency exchange rates and other	(1.2)
Recoveries of amounts previously written off	0.3
Allowance for credit losses, Ending Balance	25.9
Receivables from Business Solutions customers
Receivables
Receivables from agents and Business Solutions customers	76.3
Summary of activity in allowance for credit losses
Allowance for credit losses, Beginning Balance	4.5
Current period provision for expected credit losses	0.2
Write-offs charged against the allowance	(1.0)
Allowance for credit losses, Ending Balance	$ 3.7

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- Definition

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

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- Definition

Amount of allowance for credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (a)
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Amount of increase in allowance for credit loss on accounts receivable, from recovery.

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Amount of direct write-downs of accounts receivable charged against the allowance.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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Amount of increase (decrease) in allowance for credit loss on accounts receivable from converting allowance reserve for credit loss to currency of reporting entity from amount denominated or measured in a different currency.

+ References

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