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Other Noncurrent Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2021
Other Liabilities Disclosure [Abstract] |
Other Noncurrent Liabilities |
| December 31, |  |  | September 30, |
| 2020 |  |  | 2021 |
| (In millions) |
Operating lease liabilities | $ | 18.8 |  |  | $ | 16.6 |
Reserve for uncertain tax positions |  | 6.8 |  |  |  | 7.2 |
Accrued litigation settlement |  | 49.4 |  |  |  | 38.3 |
Deferred income |  | 58.9 |  |  |  | 107.9 |
Other postretirement benefits |  | 10.8 |  |  |  | 10.7 |
Employee benefits |  | 6.2 |  |  |  | 5.4 |
Insurance claims and expenses |  | 39.3 |  |  |  | 34.8 |
Deferred payment obligation |  | 1.3 |  |  |  | - |
Accrued development costs |  | 24.6 |  |  |  | 27.0 |
Other |  | 7.8 |  |  |  | 10.0 |
Total | $ | 223.9 |  |  | $ | 257.9 |

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