Revenue from Contracts with Clients (Contract Receivables) (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
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| Disaggregation of Revenue [Line Items] | ||
| Total Client Receivables | $ 1,037.0 | $ 996.8 |
| Trust Fees Receivable, net | ||
| Disaggregation of Revenue [Line Items] | ||
| Total Client Receivables | 966.9 | 932.3 |
| Fee receivable allowance | 10.5 | 12.0 |
| Other | ||
| Disaggregation of Revenue [Line Items] | ||
| Total Client Receivables | $ 70.1 | $ 64.5 |
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- Definition Amount of allowance for credit loss for right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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