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Supplemental Cash Flow Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	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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Cash Paid For Amounts Included In The Measurement Of Lease Liabilities [Abstract]

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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