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Additional Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2020
Additional Cash Flow Information [Abstract] |
Changes in operating assets and liabilities | Changes in operating assets and liabilities, net of effects of businesses acquired, consist of the following:
|  | Years ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Accounts receivable |  | $ | 4,662 |  |  | $ | 66,158 |  |  | $ | (62,433 | )
Inventories |  |  | (24,204 | ) |  |  | 18,762 |  |  |  | (80,182 | )
Prepaid expenses and other current assets |  |  | 12,692 |  |  |  | 271 |  |  |  | (11,670 | )
Accounts payable |  |  | 18,485 |  |  |  | (43,791 | ) |  |  | (2,277 | )
Other current liabilities |  |  | 6,157 |  |  |  | (52,929 | ) |  |  | 54,745 |
Net change in operating assets and liabilities |  | $ | 17,792 |  |  | $ | (11,529 | ) |  | $ | (101,817 | )

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- Definition Tabular disclosure of the net increase (decrease) in operating capital in the operating section of the statement of cash flows, represents the entire footnote disclosure that provides details regarding the net change during the reporting period of all assets and liabilities used in operating activities. + References No definition available. + Details
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