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Revenue Recognition Disaggregation of Revenue (Tables) | 9 Months Ended
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Sep. 30, 2023
Disaggregation of Revenue [Line Items] |
Disaggregation of Revenue [Table Text Block] |
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(in millions) | 2023 | 2022 |  | 2023 | 2022
Revenue excluded from scope of ASC Topic 606 | $ | 68.1 |  | 76.1 |  |  | $ | 211.5 |  | 222.6 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] | Such contract assets and liabilities are presented below.
(in millions) | September 30, 2023 | December 31, 2022
Contract assets, gross | $ | 427.4 |  | 447.0 |
Contract asset allowance | (2.2) |  | (2.3) |
Contract assets, net | $ | 425.2 |  | 444.7 |
Contract liabilities | $ | 134.0 |  | 151.4 |

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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 -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 + Details
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