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Other Noncurrent Liabilities | 3 Months Ended
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Mar. 31, 2022
Other Liabilities Disclosure [Abstract] |
Other Noncurrent Liabilities | Other Noncurrent Liabilities The components of other noncurrent liabilities as of March 31, 2022 and December 31, 2021 were:
| March 31, 2022 |  | December 31, 2021
Pension and retiree medical obligations | $ | 82.4 |  |  | $ | 82.2 |
Transition tax payable | 14.1 |  |  | 14.1 |
Deferred revenue | 30.8 |  |  | 32.2 |
Lease liability | 96.6 |  |  | 93.4 |
Other | 21.2 |  |  | 25.5 |
Total other noncurrent liabilities | $ | 245.3 |  |  | $ | 247.4 |

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