Note 14 - Commitments and Contingencies (Details Textual) $ in Millions |
3 Months Ended |
---|---|
Mar. 31, 2022
USD ($)
| |
Sites Identified | 367 |
Sites Subject of Actions Taken by US Government | 28 |
Sites on Superfund National Priorities List | 18 |
Personal Injury [Member] | |
Recorded Liability Related to Asserted Claims | 94.00% |
Recorded Liability Related to Unasserted Claims | 6.00% |
Personal Injury [Member] | Minimum [Member] | |
Loss Contingency, Estimate of Possible Loss | $ 332 |
Personal Injury [Member] | Maximum [Member] | |
Loss Contingency, Estimate of Possible Loss | $ 366 |