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Employee Benefit Plans (Schedule of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans [Roll Forward] |  |  |
Amortization | $ (1.3) | $ (2.5) | $ (5.3)
Net (loss) gain (before tax) |  |  |
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans [Roll Forward] |  |  |
Net (loss) gain (before tax) beginning balance | (26.8) |  |
Amortization | 1.3 |  |
Net actuarial loss | 5.2 |  |
Foreign currency exchange rates change | (0.2) |  |
Income tax change | 0.0 |  |
Net (loss) gain (before tax) ending balance | (20.5) | (26.8) |
Deferred income taxes |  |  |
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans [Roll Forward] |  |  |
Deferred income taxes beginning balance | 8.4 |  |
Amortization | 0.0 |  |
Net actuarial loss | 0.0 |  |
Foreign currency exchange rates change | 0.0 |  |
Income tax change | (1.5) |  |
Deferred income taxes ending balance | 6.9 | 8.4 |
Accumulated other comprehensive income (loss) (net of tax) |  |  |
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans [Roll Forward] |  |  |
Accumulated other comprehensive income (loss) net of tax beginning balance | (18.4) |  |
Amortization | 1.3 |  |
Net actuarial loss | 5.2 |  |
Foreign currency exchange rates change | (0.2) |  |
Income tax change | (1.5) |  |
Accumulated other comprehensive income (loss) net of tax ending balance | $ (13.6) | $ (18.4) |

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- Definition Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-14A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 10A -Subparagraph (i-k) -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-10A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (j) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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