Supplemental balance sheet and cash flow information (other non-current assets) (Details) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Other non-current assets
Postretirement benefit plan asset		$ 92,802		$ 87,019
Cloud computing arrangements implementation costs		70,519		63,806
Prepaid product discounts		48,591	$ 51,270	56,527	$ 50,602
Deferred contract acquisition costs	[1]	21,671		17,975
Loans and notes receivable from distributors, net of allowance for credit losses	[2]	13,525		20,201
Other		29,102		33,935
Other non-current assets		276,210		279,463
Amortization of deferred contract acquisition costs		5,872	3,366
Loans and notes receivable, current		992		$ 1,317
Loans and notes receivable from distributors [Member]
Loans and notes receivable from distributors, allowance for credit losses [Line Items]
Balance, beginning of year		2,830	3,995
Bad debt expense (benefit)		1,221	(1,158)
Other		(402)	0
Balance, end of period		3,649	$ 2,837
Write-offs		0
Recoveries		0
Loans and notes receivable from distributors, credit quality information
2020		1,172
2019		3,042
2018		4,247
2017		8,720
Prior		985
Total		18,166
Loans and notes receivable from distributors [Member] | 1-2 internal grade member [Member]
Loans and notes receivable from distributors, credit quality information
2020		1,172
2019		443
2018		4,247
2017		8,720
Prior		985
Total		15,567
Loans and notes receivable from distributors [Member] | 3-4 internal grade [Member]
Loans and notes receivable from distributors, credit quality information
2020		0
2019		2,599
2018		0
2017		0
Prior		0
Total		$ 2,599

[1] Amortization of deferred contract acquisition costs was $5,872 for the nine months ended September 30, 2022 and $3,366 for the nine months ended September 30, 2021.

[2] 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 $992 as of September 30, 2022 and $1,317 as of December 31, 2021.