Restructuring and Related Impairment Charges - Rollforward of Accrued Liability (Details) $ in Millions |
9 Months Ended |
|---|---|
|
Sep. 30, 2026
USD ($)
| |
| Severance and Other Employee Benefits | |
| Restructuring Reserve [Roll Forward] | |
| Restructuring reserve, beginning balance | $ 32.0 |
| Cash payments | (17.3) |
| Restructuring reserve, ending balance | 14.7 |
| Contract Exit Costs | |
| Restructuring Reserve [Roll Forward] | |
| Restructuring reserve, beginning balance | 7.2 |
| Cash payments | (1.3) |
| Restructuring reserve, ending balance | $ 5.9 |