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Supplemental Cash Flow Information
6 Months Ended
Jun. 30, 2022
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information Supplemental Cash Flow InformationThe supplemental cash flow information consists of the following (in thousands):
 Six Months Ended
June 30,
 20222021
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