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SUPPLEMENTAL BALANCE SHEET AND CASH FLOW INFORMATION (other non-current assets) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Other non-current assets |  |  |  |
Postretirement benefit plan asset (Note 12) |  | $ 94,939 | $ 79,343 |
Cloud computing arrangement implementation costs |  | 59,234 | 71,547 |
Prepaid product discounts | [1] | 40,376 | 44,824 |
Deferred contract acquisition costs | [2] | 21,103 | 21,300 |
Loans and notes receivable from distributors, net of allowance for credit losses | [3] | 12,443 | 13,259 |
Other |  | 23,087 | 30,081 |
Other non-current assets |  | 251,182 | 260,354 |
Amortization of prepaid product discounts |  | 33,370 | 34,400 | $ 31,784
Amortization of contract acquisition costs |  | 11,061 | 8,206 | 4,975
Loans and notes receivable from distributors, current |  | 987 | 961 |
Loans and notes receivable from distributors [Member] |  |  |  |
Loans and notes receivable allowance for credit losses [Line Items] |  |  |  |
Balance, beginning of year |  | 1,024 | 2,830 | 3,995
Bad debt (benefit) expense |  | (96) | 1,195 | (1,165)
Write-offs |  | 0 | (2,599) | 0
Other |  | 0 | (402) | 0
Balance, end of year |  | 928 | $ 1,024 | $ 2,830
Loans and notes receivable credit quality information by origination year |  |  |  |
2023 |  | 342 |  |
2020 |  | 1,003 |  |
2019 |  | 370 |  |
Prior |  | 12,643 |  |
Total |  | 14,358 |  |
Loans and notes receivable from distributors [Member] | 1 to 2 internal grade [Member] |  |  |  |
Loans and notes receivable credit quality information by origination year |  |  |  |
2023 |  | 342 |  |
2020 |  | 1,003 |  |
2019 |  | 370 |  |
Prior |  | 12,643 |  |
Total |  | 14,358 |  |
Loans and notes receivable from distributors [Member] | 3 to 4 internal grade [Member] |  |  |  |
Loans and notes receivable credit quality information by origination year |  |  |  |
2023 |  | 0 |  |
2020 |  | 0 |  |
2019 |  | 0 |  |
Prior |  | 0 |  |
Total |  | $ 0 |  |
[1] | Amortization of prepaid product discounts was $33,370 for 2023, $34,400 for 2022 and $31,784 for 2021.
[2] | Amortization of deferred contract acquisition costs was $11,061 for 2023, $8,206 for 2022 and $4,975 for 2021.
[3] | Amount includes the non-current portion of loans and notes receivable. The current portion of these receivables is included in other current assets on the consolidated balance sheets and was $987 as of December 31, 2023 and $961 as of December 31, 2022.

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