Business Description And Significant Accounting Policies: Changes to Allowance for Credit Losses (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Accounts Receivable, Allowance for Credit Loss [Roll Forward] | |||
| Balance at Beginning of Year | $ 2.1 | $ 2.2 | $ 3.0 |
| Additions Charged to Costs and Expenses | 7.2 | 5.6 | 8.7 |
| Recoveries and Other Additions | 3.9 | 4.2 | 4.1 |
| Write-offs and Other Deductions | (10.8) | (9.9) | (13.6) |
| Balance at End of Year | $ 2.4 | $ 2.1 | $ 2.2 |
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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 Amount of increase in allowance for credit loss on accounts receivable, from recovery. 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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