TRANSACTIONS WITH FORMER PARENT - Net Transfers To and From Labcorp (Details) - Related party $ in Millions |
3 Months Ended |
|---|---|
|
Mar. 31, 2023
USD ($)
| |
| Related Party Transaction [Line Items] | |
| Total net transfers (to) from Former Parent | $ 31.2 |
| General financing activities | |
| Related Party Transaction [Line Items] | |
| Total net transfers (to) from Former Parent | (63.4) |
| Corporate allocations | |
| Related Party Transaction [Line Items] | |
| Total net transfers (to) from Former Parent | 87.9 |
| Stock compensation expense | |
| Related Party Transaction [Line Items] | |
| Total net transfers (to) from Former Parent | $ 6.7 |