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Debt And Credit Agreements (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Line of Credit Facility [Line Items] |  |
Line of credit facility, maximum borrowing capacity | $ 375.0 | $ 375.0
Long-term Debt | 137.0 |
Available credit under the Credit Agreement | $ 201.0 |
Secured Revolving Credit Facility [Member] |  |
Line of Credit Facility [Line Items] |  |
Credit Spread Over Secured Overnight Financing Rate Basis Points | 16250.00% |
Line of credit facility, covenant terms, maximum debt to EBITDA ratio | 4.00 |
Line of credit facility, covenant terms, minimum adjusted EBIT-to-interest expense ratio | 3.00 |
Credit Facility covenant leverage ratio two times limitation | 2.00 |
Line Of Credit Facility, Covenant Terms, Maximum Aggregate Dividends | $ 75.0 |
Credit Facility covenant maximum liquidity | $ 50.0 |

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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