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Commitments and Contingencies Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Loss Contingencies by Contingency [Table Text Block] | The following table shows the professional indemnity accrual activity and related payments.
(in millions) |
December 31, 2018 | $ | 43.1 |
New claims | 0.1 |
Prior year claims adjustments (including foreign currency changes) | (2.9) |
Claims paid | (2.2) |
December 31, 2019 | 38.1 |
New claims | 6.7 |
Prior year claims adjustments (including foreign currency changes) | 3.8 |
Claims paid | (0.4) |
December 31, 2020 | 48.2 |
New claims | 1.6 |
Prior year claims adjustments (including foreign currency changes) | (10.5) |
Claims paid | (38.1) |
December 31, 2021 | $ | 1.2 |

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