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Schedule II (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Trade Accounts Receivable |  |  |
Valuation and Qualifying Accounts and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | $ 1.6 | $ 1.8 | $ 2.5
Charged to Income | 1.3 | 1.9 | 1.2
Other Charges | 0.0 | 0.0 | 0.0
Deductions from Reserves | 1.3 | 2.1 | 1.9
Balance at End of Period | 1.6 | 1.6 | 1.8
Deferred Tax Assets |  |  |
Valuation and Qualifying Accounts and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | 60.2 | 69.0 | 69.9
Charged to Income | (2.2) | (8.8) | (0.9)
Other Charges | 0.0 | 0.0 | 0.0
Deductions from Reserves | 0.0 | 0.0 | 0.0
Balance at End of Period | $ 58.0 | $ 60.2 | $ 69.0

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 + Details
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