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SIGNIFICANT ACCOUNTING POLICIES - ACCRUED AND OTHER LIABILITIES (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Intangible assets |  |  |
Impairment charges related to finite-lived intangible assets | $ 0.0 | $ 0.0 | $ 0.0
Impairment charges related to indefinite-lived intangible assets and goodwill for impairment | 0.0 | 0.0 | $ 0.0
Accrued and other liabilities |  |  |
Payroll and vacation | 38.3 | 34.7 |
Employee incentives and other benefits | 33.9 | 33.2 |
Insurance reserves and other related liabilities - short term | 17.5 | 15.6 |
Multi-employer withdrawal liability - short-term | 4.1 | 4.1 |
Income tax and other tax related liabilities | 1.6 | 2.2 |
Other short-term liabilities | 12.6 | 15.7 |
Total | 108.0 | 105.5 |
Other long-term liabilities |  |  |
Multi-employer withdrawal liability | 46.5 | 48.6 |
Pension and post-retirement liabilities | 21.8 | 17.8 |
Insurance reserves and other related liabilities | 23.8 | 29.8 |
Other long-term liabilities | 21.6 | 18.6 |
Total | $ 113.7 | $ 114.8 |
Customer Relationships | Maximum |  |  |
Intangible assets |  |  |
Expected useful lives | 21 years |  |

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