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Debt And Financing Arrangements - Classification Of The Company Lease Obligations (Detail) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024
--- | --- | --- | ---
Operating Lease Obligations: |  |  |
Other Current Liabilities (current portion) | $ 1.9 | $ 1.8 | $ 1.6
Other Noncurrent Liabilities (long-term portion) | 4.9 | 4.9 | 3.0
Total Operating Lease Obligations | 6.8 | 6.7 | 4.6
Capital Lease Obligations: |  |  |
Other Current Liabilities (current portion) | 0.2 | 0.1 | 0.1
Other Noncurrent Liabilities (long-term portion) | 0.3 | 0.4 | 0.3
Total Capital Lease Obligations | 0.5 | 0.5 | 0.4
Total Lease Obligations | $ 7.3 | $ 7.2 | $ 5.0

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