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Related-Party Transactions - Other (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Related Party Transaction [Line Items] |  |  |  |
Premiums paid related to agreements |  | $ 0.0 |  |
Revenue from related party |  | 617.5 | $ 612.7 | $ 672.9
Accounts receivable from affiliated entities |  | 99.3 | 90.4 |
NETC |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Units issued | 27,600,000 |  |  |
Warrants Issued | 13,730,000 |  |  |
Warrants issued, fair value per warrant | $ 1 |  |  |
Warrants purchased by related parties | 6,288,500 |  |  |
James R Crane | Crane Capital Group Inc |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Expenses from business transactions |  | 5.8 | 6.2 | $ 20.0
Accounts payable to affiliated entities |  | 0.3 | 0.8 |
Management |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Premium payments to date related to life insurance policies |  | 6.6 |  |
Cash surrender value included in other long-term assets |  | $ 5.3 | $ 5.5 |

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