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SUPPLEMENTAL CASH FLOW INFORMATION (Tables)
6 Months Ended
Jun. 30, 2022
Supplemental Cash Flow Information [Abstract]  
Schedule of Cash Flow, Supplemental Disclosures
Net change in operating assets and liabilities during the six months ended June 30 were as follows (in thousands):

Six Months Ended June 30,
 20222021
Decrease (increase) in operating assets: 
Trade and other receivables$(5,515)$(32,592)
Inventories(56,843)(16,278)
Other operating assets7,193 19,817 
Increase (decrease) in operating liabilities:
Accounts payable7,101 (4,647)
Accrued liabilities(66,056)(26,011)
Reclamation liabilities62 (70)
Other operating liabilities(27,286)(13,822)
$(141,344)$(73,603)
Other cash information during the six months ended June 30 were as follows (in thousands):

Six Months Ended June 30,
 20222021
Interest paid$(5,897)$(6,658)
Interest received$3,799$1,114
Income taxes paid$(110,423)$(41,538)