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v3.21.1

Supplemental balance sheet and cash flow information (other non-current assets) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2020
Other non-current assets |  |  |  |  |
Postretirement benefit plan asset |  | $ 72,775 |  |  | $ 71,208
Prepaid product discounts |  | 51,044 | $ 45,994 | $ 51,145 | 50,602
Cloud computing arragements |  | 38,249 |  |  | 29,242
Loans and notes receivable from distributors, net of allowances for doubtful accounts | [1] | 27,182 |  |  | 35,068
Deferred sales commissions | [2] | 15,461 |  |  | 9,199
Other |  | 13,124 |  |  | 13,360
Other non-current assets |  | 217,835 |  |  | 208,679
Loans and notes receivable, current |  | 1,704 |  |  | $ 2,008
Amortization of deferred sales commissions |  | 972 | 882 |  |
Loans and notes receivable from distributors, allowances for uncollectible accounts [Line Items] |  |  |  |  |
Accounting Standards Update [Extensible List] |  |  |  | us-gaap:AccountingStandardsUpdate201613Member |
Loans and notes receivable from distributors [Member] |  |  |  |  |
Loans and notes receivable from distributors, allowances for uncollectible accounts [Line Items] |  |  |  |  |
Balance, beginning of year |  | 3,995 | 284 |  |
Bad debt (benefit) expense |  | (634) | 5,382 |  |
Balance, end of period |  | 3,361 | 10,415 | $ 284 |
Write-offs |  | 0 |  |  |
Recoveries |  | 0 |  |  |
Loans and notes receivable from distributors, credit quality information |  |  |  |  |
2020 |  | 1,310 |  |  |
2019 |  | 3,166 |  |  |
2018 |  | 14,546 |  |  |
2017 |  | 11,744 |  |  |
Prior |  | 1,481 |  |  |
Total |  | 32,247 |  |  |
Loans and notes receivable from distributors [Member] | 1-2 internal grade member [Member] |  |  |  |  |
Loans and notes receivable from distributors, credit quality information |  |  |  |  |
2020 |  | 1,310 |  |  |
2019 |  | 587 |  |  |
2018 |  | 14,546 |  |  |
2017 |  | 11,744 |  |  |
Prior |  | 1,481 |  |  |
Total |  | 29,668 |  |  |
Loans and notes receivable from distributors [Member] | 3-4 internal grade [Member] |  |  |  |  |
Loans and notes receivable from distributors, credit quality information |  |  |  |  |
2020 |  | 0 |  |  |
2019 |  | 2,579 |  |  |
2018 |  | 0 |  |  |
2017 |  | 0 |  |  |
Prior |  | 0 |  |  |
Total |  | $ 2,579 |  |  |
Loans and notes receivable from distributors [Member] | Adoption of Accounting Standards Update [Member] |  |  |  |  |
Loans and notes receivable from distributors, allowances for uncollectible accounts [Line Items] |  |  |  |  |
Balance, beginning of year |  |  | $ 4,749 |  |
Balance, end of period |  |  |  | $ 4,749 |
[1] | 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 $1,704 as of March 31, 2021 and $2,008 as of December 31, 2020.
[2] | Amortization of deferred sales commissions was $972 for the quarter ended March 31, 2021 and $882 for the quarter ended March 31, 2020.

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