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Note H - Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Net Funded Status [Table Text Block] |
|  | Year Ended December 31, |
In thousands |  | 2022 |  |  | 2021 |
Change in benefit obligation |  |  |  |  |  |  |  |
Benefit obligation at beginning of year |  | $ | 186,041 |  |  | $ | 198,586 |
Interest cost |  |  | 5,040 |  |  |  | 4,674 |
Actuarial gain |  |  | (37,014 | ) |  |  | (6,610 | )
Benefits paid |  |  | (10,546 | ) |  |  | (10,609 | )
Benefit obligation at end of year |  | $ | 143,521 |  |  | $ | 186,041 |
Change in plan assets |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  | $ | 131,741 |  |  | $ | 129,348 |
Actual return on plan assets |  |  | (20,358 | ) |  |  | 10,977 |
Contributions |  |  | 3,053 |  |  |  | 2,025 |
Benefits paid |  |  | (10,545 | ) |  |  | (10,609 | )
Fair value of plan assets at end of year |  | $ | 103,891 |  |  | $ | 131,741 |
Funded status at end of year |  | $ | (39,630 | ) |  | $ | (54,300 | )
Schedule of Amounts Recognized in Balance Sheet [Table Text Block] |
In thousands |  | 2022 |  |  | 2021 |
Current pension liabilities |  | $ | 1,858 |  |  | $ | 1,801 |
Long term pension liabilities - Qualified plans |  |  | 18,674 |  |  |  | 27,359 |
Long term pension liabilities - Nonqualified plan |  |  | 19,098 |  |  |  | 25,140 |
Total pension liabilities |  | $ | 39,630 |  |  | $ | 54,300 |
Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] |
In thousands |  | 2022 |  |  | 2021 |
Net loss |  | $ | 44,120 |  |  | $ | 54,394 |
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block] |
In thousands |  | 2022 |  |  | 2021 |
Projected benefit obligation |  | $ | 143,521 |  |  | $ | 186,041 |
Accumulated benefit obligation |  | $ | 143,521 |  |  | $ | 186,041 |
Fair value of plan assets |  | $ | 103,891 |  |  | $ | 131,741 |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] |
|  | Year Ended December 31, |
In thousands |  | 2022 |  |  | 2021 |
Net Periodic Benefit Cost |  |  |  |  |  |  |  |
Interest cost |  | $ | 5,040 |  |  | $ | 4,674 |
Expected return on plan assets |  |  | (5,872 | ) |  |  | (6,754 | )
Recognized actuarial loss |  |  | 2,876 |  |  |  | 3,441 |
Net periodic benefit cost |  |  | 2,044 |  |  |  | 1,361 |
Amounts Recognized in Other Comprehensive Income |  |  |  |  |  |  |  |
Adjustment to pension liabilities |  |  | (10,274 | ) |  |  | (14,150 | )
Net cost recognized in net periodic benefit cost and other comprehensive income |  | $ | (8,230 | ) |  | $ | (12,789 | )
Defined Benefit Plan, Assumptions [Table Text Block] |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |
Weighted-average assumptions used to determine net periodic benefit cost |  |  |  |  |  |  |  |
Discount rate |  |  |  |  |  |  |  |
Qualified Plan I |  |  | 2.75 | % |  |  | 2.37 | %
Qualified Plan II |  |  | 2.92 | % |  |  | 2.61 | %
Restoration Plan |  |  | 2.73 | % |  |  | 2.34 | %
Expected return on plan assets |  |  |  |  |  |  |  |
Qualified Plan I |  |  | 4.25 | % |  |  | 5.50 | %
Qualified Plan II |  |  | 5.75 | % |  |  | 4.75 | %
Restoration Plan |  |  | n/a |  |  |  | n/a |
|  | December 31, |
|  | 2022 |  |  | 2021 |
Weighted-average assumptions used to determine benefit obligations |  |  |  |  |  |  |  |
Discount rate |  |  |  |  |  |  |  |
Qualified Plan I |  |  | 5.13 | % |  |  | 2.75 | %
Qualified Plan II |  |  | 5.18 | % |  |  | 2.92 | %
Restoration Plan |  |  | 5.12 | % |  |  | 2.73 | %
Defined Benefit Plan, Plan Assets, Category [Table Text Block] |
In thousands |  | 2022 |  |  | % |  |  | 2021 |  |  | % |
Equity securities |  | $ | 50,090 |  |  |  | 48 | % |  | $ | 66,324 |  |  |  | 50 | %
Debt securities |  |  | 49,846 |  |  |  | 48 | % |  |  | 61,689 |  |  |  | 47 | %
Other |  |  | 3,955 |  |  |  | 4 | % |  |  | 3,728 |  |  |  | 3 | %
Total plan assets |  | $ | 103,891 |  |  |  | 100 | % |  | $ | 131,741 |  |  |  | 100 | %
|  | December 31, |  |  | Quoted Prices in Active Markets for Identical Assets |  |  | Significant Other Observable Inputs |  |  | Significant Unobservable Inputs |
In thousands |  | 2022 |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Equity securities |  | $ | 50,090 |  |  | $ | 50,090 |  |  | $ | — |  |  | $ | — |
Debt securities |  |  | 49,846 |  |  |  | 35,575 |  |  |  | 14,271 |  |  |  | — |
Total investments, excluding investments valued at NAV |  |  | 99,936 |  |  |  | 85,665 |  |  |  | 14,271 |  |  |  | — |
Investments valued at NAV (1) |  |  | 3,955 |  |  |  | — |  |  |  | — |  |  |  | — |
Total plan assets |  | $ | 103,891 |  |  | $ | 85,665 |  |  | $ | 14,271 |  |  | $ | — |
|  | December 31, |  |  | Quoted Prices in Active Markets for Identical Assets |  |  | Significant Other Observable Inputs |  |  | Significant Unobservable Inputs |
In thousands |  | 2021 |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Equity securities |  | $ | 66,324 |  |  | $ | 66,324 |  |  | $ | — |  |  | $ | — |
Debt securities |  | $ | 61,689 |  |  |  | 56,838 |  |  |  | 4,851 |  |  |  | — |
Total investments, excluding investments valued at NAV |  |  | 128,013 |  |  |  | 123,162 |  |  |  | 4,851 |  |  |  | — |
Investments valued at NAV (1) |  | $ | 3,728 |  |  |  | — |  |  |  | — |  |  |  | — |
Total plan assets |  | $ | 131,741 |  |  | $ | 123,162 |  |  | $ | 4,851 |  |  | $ | — |
Schedule of Allocation of Plan Assets [Table Text Block] |
Qualified Pension Plan I |  |  | Target |  |  |  | Acceptable Range |  | Benchmark Index
Equities |  |  | 39 | % |  |  | 24% - 54% |  |
U.S. Large Cap |  |  | 14 | % |  |  | 9% - 19% |  | Russell 1000 TR
U.S. Mid Cap |  |  | 9 | % |  |  | 4% - 14% |  | Russell Mid Cap Index TR
U.S. Small Cap |  |  | 5 | % |  |  | 0% - 10% |  | Russell 2000 TR
International Equity |  |  |  |  |  |  |  |  |
Developed |  |  | 8 | % |  |  | 3% - 13% |  | MSCI EAFE Net TR USD Index
Emerging Markets |  |  | 3 | % |  |  | 0% - 6% |  | MSCI Emerging Net Total Return
Fixed Income |  |  | 59 | % |  |  | 44% - 74% |  |
Investment Grade |  |  | 59 | % |  |  | 44% - 74% |  | BBG BARC US Aggregate Bond Index
Cash Equivalent |  |  | 2 | % |  |  | 0%-40% |  | ICE BofA US 3-Month Treasury Bill Index TR
Qualified Pension Plan II |  |  | Target |  |  |  | Acceptable Range |  | Benchmark Index
Equities |  |  | 77 | % |  |  | 62% - 87% |  |
U.S. Large Cap |  |  | 28 | % |  |  | 18% - 38% |  | Russell 1000 TR
U.S. Mid Cap |  |  | 18 | % |  |  | 13% - 23% |  | Russell Mid Cap Index TR
U.S. Small Cap |  |  | 9 | % |  |  | 4% - 14% |  | Russell 2000 TR
International Equity |  |  |  |  |  |  |  |  |
Developed |  |  | 16 | % |  |  | 11% - 21% |  | MSCI EAFE Net TR USD Index
Emerging Markets |  |  | 6 | % |  |  | 0% - 9% |  | MSCI Emerging Net Total Return
Fixed Income |  |  | 21 | % |  |  | 11% - 31% |  |
Investment Grade |  |  | 21 | % |  |  | 11% - 31% |  | BBG BARC US Aggregate Bond Index
Cash Equivalent |  |  | 2 | % |  |  | 0%-40% |  | ICE BofA US 3-Month Treasury Bill Index TR
Schedule of Expected Benefit Payments [Table Text Block] |
In thousands |  |  |  |  |
2023 |  |  | $ | 11,253 |
2024 |  |  |  | 11,297 |
2025 |  |  |  | 11,343 |
2026 |  |  |  | 11,450 |
2027 |  |  |  | 11,588 |
2028 - 2032 |  |  |  | 56,404 |
Total |  |  | $ | 113,335 |

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- Definition Tabular disclosure of defined benefit plan asset investment. Includes, but is not limited to, fair value of category of plan asset and its level within fair value hierarchy. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of benefit obligation and plan assets of defined benefit plan with accumulated benefit obligation in excess of plan assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2417-114920 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2417-114920 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 + Details
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- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the changes in plan assets and benefit obligations recognized in other comprehensive income (loss) during the period. + References No definition available. + Details
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