Supplemental cash flow information

12 Months Ended

Dec. 31, 2021

Cash Flow Statement [Abstract]

Supplemental cash flow information

Supplemental cash flow information:

a) Changes in non-cash working capital:

Changes in non-cash working capital for the years ended December 31, 2021 and 2020 are as follows:

For the years ended December 31	2021		2020
Changes in non-cash working capital:
Trade and other receivables	$	(139,367)	$	76,721
Inventories	(150,860)		(27,644)
Prepaid expenses	(2,217)		4,059
Trade, other payables and accrued liabilities, including long-term payables included in other long-term liabilities	234,998		107,199
	(57,446)		160,335
Adjustments for items not having a cash effect and working capital changes relating to taxes and interest paid	(31,924)		(43,259)
Changes in non-cash working capital	$	(89,370)	$	117,076
These changes relate to the following activities:
Operating	$	(83,109)	$	64,923
Financing	1,350		—
Investing	(7,611)		52,153
Changes in non-cash working capital	$	(89,370)	$	117,076

b) Reconciliation of movements in liabilities to cash flows arising from financing activities:

	Long term debt (note 8)		Lease obligations (note 9)
Balance at December 31, 2020	$	2,363,372	$	722,234
Changes from financing cash flows
Repayment of long-term debt and financing fees	(57,563)		—
Repayment on Geismar 3 construction facility	(173,000)		—
Payment of lease obligations	—		(101,054)
Proceeds from other limited recourse debt	25,161		—
Total changes from financing cash flows	(205,402)		(101,054)
Liability-related other changes
Finance costs	3,565		—
New lease obligations	—		97,673
Other	(3,343)		(1,752)
Total liability-related other changes	222		95,921
Balance at December 31, 2021	$	2,158,192	$	717,101