COMMITMENTS AND CONTINGENCIES - Legal Proceedings (Narrative) (Details) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Mar. 12, 2024
USD ($)
|
Dec. 19, 2016
USD ($)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2025
USD ($)
defendant
claim
|
|
| Commitments And Contingencies [Line Items] | ||||
| Gain (loss) from litigation settlement | $ 12.5 | $ 12.5 | ||
| CBIZ Operations and a former employee of CBIZ MMP | ||||
| Commitments And Contingencies [Line Items] | ||||
| Total transaction price | $ 200.0 | |||
| Litigation settlement, amount awarded | $ 3.1 | |||
| CBIZ Operations and a former employee of CBIZ MMP | Maximum | ||||
| Commitments And Contingencies [Line Items] | ||||
| Amount of damages sought (up to) | $ 177.0 | |||
| MOVEit Customer Data Security Breach Litigation | ||||
| Commitments And Contingencies [Line Items] | ||||
| Number of claims filed | claim | 180 | |||
| Number of defendants | defendant | 100 |