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Other Noncurrent Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2021
Other Liabilities Disclosure [Abstract] |
Other Noncurrent Liabilities |
| December 31, |  |  | June 30, |
| 2020 |  |  | 2021 |
| (In millions) |
Operating lease liabilities | $ | 18.8 |  |  | $ | 17.1 |
Reserve for uncertain tax positions |  | 6.8 |  |  |  | 7.0 |
Accrued litigation settlement |  | 49.4 |  |  |  | 49.9 |
Deferred income |  | 58.9 |  |  |  | 64.3 |
Other postretirement benefits |  | 10.8 |  |  |  | 10.9 |
Employee benefits |  | 6.2 |  |  |  | 5.7 |
Insurance claims and expenses |  | 39.3 |  |  |  | 38.1 |
Deferred payment obligation |  | 1.3 |  |  |  | - |
Accrued development costs |  | 24.6 |  |  |  | 25.0 |
Other |  | 7.8 |  |  |  | 8.2 |
Total | $ | 223.9 |  |  | $ | 226.2 |

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