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Debt and Financing Arrangements - Classification of the Company Lease Obligations (Detail) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Operating Lease Obligations: |  |
Operating Lease Obligations (current portion) | $ 1.9 | $ 1.5
Operating Lease Obligations (current portion) | Liabilities, Current | Liabilities, Current
Operating Lease Obligations (long-term portion) | $ 3.7 | $ 2.8
Operating Lease Obligations (long-term portion) | Liabilities, Noncurrent | Liabilities, Noncurrent
Total Operating Lease Obligations | $ 5.6 | $ 4.3
Capital Lease Obligations: |  |
Other Current Liabilities (current portion) | $ 0.1 | $ 0.1
Other Current Liabilities (current portion) | Other Liabilities, Current | Other Liabilities, Current
Other Noncurrent Liabilities (long-term portion) | $ 0.4 | $ 0.1
Other Noncurrent Liabilities (long-term portion) | Other Liabilities, Noncurrent | Other Liabilities, Noncurrent
Total Capital Lease Obligations | $ 0.5 | $ 0.2
Total Lease Obligations | 6.1 | $ 4.5
Lease Obligations [Member] |  |
Operating Lease Obligations: |  |
Total Operating Lease Obligations | $ 5,561.0 |

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