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Revenue Recognition Disaggregation of Revenue (Tables) | 9 Months Ended
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Sep. 30, 2021
Disaggregation of Revenue [Line Items] |
Disaggregation of Revenue [Table Text Block] | Such revenue was included entirely within Americas Capital Markets and is presented below.
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(in millions) | 2021 | 2020 |  | 2021 | 2020
Revenue excluded from scope of ASC Topic 606 | $ | 102.3 |  | 72.0 |  |  | $ | 235.9 |  | 174.7 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] | Such contract assets and liabilities are presented below.
(in millions) | September 30, 2021 | December 31, 2020
Contract assets, gross | $ | 402.8 |  | 347.8 |
Contract asset allowance | (2.5) |  | (2.1) |
Contract assets, net | $ | 400.3 |  | 345.7 |
Contract liabilities | $ | 105.0 |  | 111.0 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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