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Revenue from Contracts with Customers (Tables) | 12 Months Ended
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Dec. 31, 2021
Revenue from Contract with Customer [Abstract] |
Contract with Customer, Asset and Liability [Table Text Block] | The following table summarizes our contract assets and contract liabilities (in millions):
| Successor |  |  | Predecessor
| December 31, 2021 |  |  | December 31, 2020
Current contract assets | $ | 0.3 |  |  |  | $ | 1.4 |
Noncurrent contract assets | $ | — |  |  |  | $ | 0.4 |
Current contract liabilities (deferred revenue) | $ | 45.8 |  |  |  | $ | 57.6 |
Noncurrent contract liabilities (deferred revenue) | $ | 10.8 |  |  |  | $ | 14.3 |
Changes in contract assets and liabilities during the period are as follows (in millions):
| Contract Assets |  | Contract Liabilities
Balance as of December 31, 2020 (Predecessor) | $ | 1.8 |  |  | $ | 71.9 |
Revenue recognized in advance of right to bill customer | 2.3 |  |  | — |
Increase due to cash received | — |  |  | 10.2 |
Decrease due to amortization of deferred revenue that was included in the beginning contract liability balance | — |  |  | (14.8) |
Decrease due to transfer to receivables during the period | (1.6) |  |  | — |
Fresh start accounting revaluation | (0.3) |  |  | (31.6) |
Balance as of April 30, 2021 (Predecessor) | 2.2 |  |  | 35.7 |
Balance as of May 1, 2021 (Successor) | 2.2 |  |  | 35.7 |
Revenue recognized in advance of right to bill customer | 2.5 |  |  | — |
Increase due to cash received | — |  |  | 80.1 |
Decrease due to amortization of deferred revenue that was added during the period | — |  |  | (21.5) |
Decrease due to transfer to receivables and payables during the period | (4.4) |  |  | (37.7) |
Balance as of December 31, 2021 (Successor) | $ | 0.3 |  |  | $ | 56.6 |
Expected Future Amortization of Contract Liabilities | December 31, 2021 is set forth in the table below (in millions):
| 2022 |  | 2023 |  | 2024 |  | 2025 & Thereafter |  | Total
Amortization of contract liabilities | $ | 45.8 |  |  | $ | 7.8 |  |  | $ | 1.2 |  |  | $ | 1.8 |  |  | $ | 56.6 |
Amortization of deferred costs | $ | 26.9 |  |  | $ | 6.9 |  |  | $ | 0.9 |  |  | $ | — |  |  | $ | 34.7 |

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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 Tabular disclosure of expected timing for satisfying remaining performance obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045 + Details
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