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Supplemental Cash Flow Information - Schedule of Noncash Investing and Financing Activities (Detail) - USD ($) $ in Millions | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Supplemental Cash Flow Elements [Abstract] |  |
Right-of-use assets obtained in exchange for new finance lease liabilities | $ 7.0 | $ 158.8
Right-of-use assets obtained in exchange for new operating lease liabilities | 13.0 | 13.2
Accrued liabilities for purchases of property, plant and equipment | 27.3 | 29.5
Remeasurement of operating lease right-of-use assets | (3.5) | $ (6.3)
Remeasurement of finance lease right-of-use assets | $ 6.4 |

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