TRANSACTIONS WITH FORMER PARENT - Allocation of General Corporate and Other Expenses (Details) $ in Millions |
3 Months Ended |
|---|---|
|
Mar. 31, 2023
USD ($)
| |
| Related Party Transaction [Line Items] | |
| Corporate and other allocations | $ 95.4 |
| Direct costs | |
| Related Party Transaction [Line Items] | |
| Corporate and other allocations | 41.2 |
| Selling, general and administrative expenses | |
| Related Party Transaction [Line Items] | |
| Corporate and other allocations | 55.1 |
| Restructuring and other charges | |
| Related Party Transaction [Line Items] | |
| Corporate and other allocations | 0.1 |
| Foreign exchange gain (loss) | |
| Related Party Transaction [Line Items] | |
| Corporate and other allocations | $ (1.0) |