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Credit losses Credit losses (Tables) | 6 Months Ended
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Jun. 30, 2020
Allowance for Credit Loss [Abstract] |
Accounts Receivable, Allowance for Credit Loss | Allowance for doubtful accounts:
(In millions) |
December 31, 2019 | $ | 30.2 |
Cumulative effect of change in accounting principle | 2.3 |
Provision for uncollectible accounts receivable(a) | 13.1 |
Write-offs less recoveries | (1.4 | )
Foreign currency exchange effects | (0.7 | )
June 30, 2020 | $ | 43.5 |
(a) The provision in 2020 includes a $10.6 million allowance related to the internal loss in our U.S global services operations. See Note 1 for details.

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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
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