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Summary Of Significant Accounting Policies - Amortized Cost Basis By Year of Origination and Credit Quality Indicator (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Sales-type Lease, Net Investment in Lease, Credit Quality Indicator [Line Items] |  |
2023 | $ 78.7 |
2022 | 126.2 |
2021 | 106.9 |
2020 | 47.4 |
2019 | 11.0 |
Prior | 1.4 |
Subtotal | 371.6 | $ 435.0
High |  |
Sales-type Lease, Net Investment in Lease, Credit Quality Indicator [Line Items] |  |
2023 | 39.6 |
2022 | 70.2 |
2021 | 60.3 |
2020 | 24.4 |
2019 | 6.5 |
Prior | 0.2 |
Subtotal | 201.2 |
Moderate |  |
Sales-type Lease, Net Investment in Lease, Credit Quality Indicator [Line Items] |  |
2023 | 37.6 |
2022 | 51.4 |
2021 | 43.1 |
2020 | 22.2 |
2019 | 4.5 |
Prior | 1.0 |
Subtotal | 159.8 |
Low |  |
Sales-type Lease, Net Investment in Lease, Credit Quality Indicator [Line Items] |  |
2023 | 1.5 |
2022 | 4.6 |
2021 | 3.5 |
2020 | 0.8 |
2019 | 0.0 |
Prior | 0.2 |
Subtotal | $ 10.6 |

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- Definition Amount of net investment in sales-type lease originated more than five years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
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- Definition Amount of net investment in sales-type lease originated three years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
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