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Supplemental Cash Flow Information (Detail) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Non-cash investing and financing activities: |  |
Acquisition of property, plant and equipment in accounts payable and accrued liabilities | $ 60,115 | $ 133,530
Cash paid for amounts included in the measurement of lease liabilities: |  |
Operating cash flows from operating leases | 15,048 | 14,030
Right-of-use assets obtained in exchange for lease obligations: |  |
Operating leases | $ 16,351 | $ 24,338

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