Supplemental balance sheet and cash flow information (trade accounts receivable, allowance for credit losses) (Details) - USD ($) $ in Thousands |
6 Months Ended | ||||
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Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
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| Trade accounts receivable | |||||
| Trade accounts receivable - gross | $ 186,672 | $ 183,196 | |||
| Allowance for credit losses | (9,723) | (9,120) | |||
| Trade accounts receivable - net | [1] | 176,949 | 174,076 | ||
| Unbilled receivables | 55,242 | $ 47,341 | |||
| Changes in allowance for credit losses | |||||
| Balance, beginning of year | 9,120 | $ 6,541 | |||
| Bad debt expense | 3,705 | 8,980 | |||
| Write-offs and other | (3,102) | (5,937) | |||
| Balance, end of period | $ 9,723 | $ 9,584 | |||
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- Definition Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer. No definition available.
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