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Supplemental Cash Flow Information
 9 Months Ended
Sep. 30, 2024
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information Supplemental Cash Flow Information
The following table provides information regarding the net changes in components of operating assets and liabilities.
 Nine Months Ended
September 30,
 20242023
(Increase) decrease in:
Accounts receivable$14,487 $54,474 
Inventories39,078 (29,281)
Deferred charges(1,649)31,003 
Other current assets10,673 (4,571)
Increase (decrease) in:
Accounts payable31,723 (31,006)
Accrued liabilities(34,560)(17,015)
Net changes in components of operating assets and liabilities$59,752 $3,604 
Payments of interest and commitment fees were $234.4 million and $196.3 million for the nine months ended September 30, 2024 and 2023, respectively.
We capitalized interest of $36.4 million and $29.2 million during the nine months ended September 30, 2024 and September 30, 2023, respectively.
At September 30, 2024 and 2023, we had incurred liabilities for fixed and intangible asset additions totaling $65.4 million and $121.4 million, respectively, that had not been paid at the end of the quarter. Therefore, these amounts were not included in the caption “Payments to acquire fixed and intangible assets” under Cash Flows from Investing Activities in the Unaudited Condensed Consolidated Statements of Cash Flows. The amounts as of September 30, 2024 primarily relate to the capital expenditures associated with our offshore growth capital projects.