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PREFERRED STOCK AND COMMON SHAREHOLDERS' EQUITY PREFERRED STOCK AND COMMON SHAREHOLDERS' EQUITY - Accumulated Other Comprehensive Earnings (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The components of accumulated other comprehensive earnings (loss) during the six months ended June 30, 2024 were as follows:
| Foreign Currency Translation Adjustments |  | Net Benefit Plan Adjustments |  |  |  | Accumulated Other Comprehensive Earnings (Loss)
Balance as of December 31, 2023 | $ | (47.6) |  |  | $ | (11.7) |  |  |  |  | $ | (59.3) |
Current year adjustments | (131.5) |  |  | (1.5) |  |  |  |  | (133.0) |
Amounts reclassified from accumulated other comprehensive income | — |  |  | (0.2) |  |  |  |  | (0.2) |
Tax effect of adjustments | — |  |  | 0.5 |  |  |  |  | 0.5 |
Balance as of June 30, 2024 | $ | (179.1) |  |  | $ | (12.9) |  |  |  |  | $ | (192.0) |
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax |  |  | $ (1,500,000) |
Other Comprehensive Income (Loss), before Reclassifications, before Tax |  |  | (133,000,000.0) |
Accumulated Other Comprehensive Earnings [Roll Forward] |  |  |  |
Foreign Currency Translation Adjustments, Beginning balance |  |  | (47,600,000) |
Other comprehensive income before reclassifications |  |  | (131,500,000) |
Tax effect of adjustments |  |  | 0 |
Foreign Currency Translation Adjustments, Ending balance | $ (179,100,000) |  | (179,100,000) |
Net Benefit Plan Adjustments, Beginning balance |  |  | (11,700,000) |
Tax effect of adjustments |  |  | 500,000 |
Net Benefit Plan Adjustments, Ending balance | (12,900,000) |  | (12,900,000) |
Accumulated Other Comprehensive Earnings, Beginning balance |  |  | (59,300,000) |
Other comprehensive income before reclassifications |  |  | (131,500,000) |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax |  |  | 0 |
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax |  |  | (200,000) |
Tax effect of adjustments | (100,000) | $ (300,000) | 500,000 | $ (600,000)
Accumulated Other Comprehensive Earnings, Ending balance | $ (192,000,000.0) |  | $ (192,000,000.0) |

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