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Income Taxes (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Tax Disclosure [Line Items] |  |  |
Undistributed earnings of foreign subsidiaries | $ 113.1 |  |
Capital loss carry-forwards | 60.7 | $ 1.8 |
Gross unrecognized tax benefits | 25.1 | 16.0 | $ 18.9
Unrecognized tax benefits that would impact effective tax rate | 13.6 | 6.9 |
Accrued interest and penalties | 4.4 | 3.5 |
Interest and penalties | 0.6 | 0.4 |
Capital Loss Carryforward |  |  |
Income Tax Disclosure [Line Items] |  |  |
Capital loss carry-forwards | 73.4 | $ 82.5 |
Canada Revenue Agency | Maximum |  |  |
Income Tax Disclosure [Line Items] |  |  |
Federal and provincial income tax estimated, exclusive of interest and penalties | 30.0 |  |
Canada Revenue Agency | Minimum |  |  |
Income Tax Disclosure [Line Items] |  |  |
Federal and provincial income tax estimated, exclusive of interest and penalties | $ 26.0 |  |

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- Definition Estimated amount of loss resulting from an adverse tax position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15 + Details
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- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-3 + Details
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- Definition Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482603/740-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 25 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482620/740-10-25-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -SubTopic 740 -Topic 942 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481141/942-740-50-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -SubTopic 740 -Topic 944 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480135/944-740-50-1 + Details
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