Supplemental balance sheet and cash flow information (other) (Details) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Prepaid product discounts [Roll Forward]
Balance, beginning of year		$ 56,527	$ 50,602
Additions	[1]	18,721	24,284
Amortization		(26,258)	(23,425)
Other		(399)	(191)
Balance, end of period		48,591	51,270
Prepaid product discount payments		23,920	27,049
Accrued liabilities
Employee cash bonuses, including sales incentives		38,780		$ 45,006
Deferred revenue	[2]	36,193		52,645
Wages and payroll liabilities, including vacation		34,679		24,951
Interest		16,021		4,597
Operating lease liabilities		12,672		14,852
Customer rebates		12,140		9,036
Prepaid product discounts		6,568		11,866
Other		60,442		53,879
Accrued liabilities		217,495		216,832
Deferred revenue recognized		41,222
Supplemental cash flow information
Cash and cash equivalents		45,535	121,064	41,231
Non-current restricted cash included in other non-current assets		2,742	2,860	2,772
Total cash, cash equivalents, restricted cash and restricted cash equivalents		195,891	253,104	$ 285,491	$ 229,409
Funds held for customers [Member]
Supplemental cash flow information
Restricted cash and restricted cash equivalents included in funds held for customers		$ 147,614	$ 129,180

[1] Prepaid product discounts are generally accrued upon contract execution. Cash payments for prepaid product discounts were $23,920 for the nine months ended September 30, 2022 and $27,049 for the nine months ended September 30, 2021.

[2] $41,222 of the December 31, 2021 amount was recognized as revenue during the nine months ended September 30, 2022.