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Other Assets | 9 Months Ended
--- | ---
Sep. 30, 2021
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] |
Other Assets | Note 5 – Other assets:
| December 31, |  |  | September 30, |
| 2020 |  |  | 2021 |
| (In millions) |
Other noncurrent assets: |  |  |  |  |  |  |
Land held for development | $ | 96.0 |  |  | $ | 59.7 |
Operating lease right-of-use assets |  | 26.1 |  |  |  | 21.8 |
Restricted cash and cash equivalents |  | 37.8 |  |  |  | 37.6 |
IBNR receivables |  | 37.1 |  |  |  | 32.6 |
Marketable securities |  | 2.9 |  |  |  | 3.5 |
Pension asset |  | 8.4 |  |  |  | 10.0 |
Note receivables - OPA |  | 25.3 |  |  |  | 29.0 |
Other |  | 8.7 |  |  |  | 13.5 |
Total | $ | 242.3 |  |  | $ | 207.7 |

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