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IMPAIRMENT AND OTHER CHARGES | 6 Months Ended
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Jun. 30, 2024
IMPAIRMENT AND OTHER CHARGES |
IMPAIRMENT AND OTHER CHARGES | NOTE 5—IMPAIRMENT AND OTHER CHARGES Impairment and other charges consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
​ |  | 2024 |  | 2023 |  | 2024 |  | 2023
Asset impairment charges (Note 13) | ​ | $ | — | ​ | $ | 0.1 | ​ | $ | — | ​ | $ | 0.4
Goodwill impairment charges (Note 10) | ​ | ​ | — | ​ | ​ | 349.0 | ​ | ​ | — | ​ | ​ | 349.0
Total | ​ | $ | — | ​ | $ | 349.1 | ​ | $ | — | ​ | $ | 349.4
​

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- Definition The entire disclosure for other operating income and other operating expense items. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 + Details
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