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Note G - Pensions and Other Postretirement Benefits (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2011 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2013 Retirees Age 65 And Over [Member] Defined Benefit Postretirement Health Coverage [Member] | Dec. 31, 2013 Retirees Under Age 65 [Member] Defined Benefit Postretirement Health Coverage [Member] | Dec. 31, 2013 One Percentage Point Change in Assumed Rate of Return [Member] | Dec. 31, 2013 One Percentage Point Increase in Discount Rate [Member] | Dec. 31, 2013 One Percentage Point Decrease in Discount Rate [Member] | Dec. 31, 2013 Equity Securities [Member] | Dec. 31, 2013 Fixed Income Securities [Member] | Dec. 31, 2013 Alternative Investments [Member] | Dec. 31, 2013 Cash and Cash Equivalents [Member] | Dec. 31, 2013 Defined Contribution Pension [Member] | Dec. 31, 2012 Defined Contribution Pension [Member] | Dec. 31, 2011 Defined Contribution Pension [Member] | Dec. 31, 2013 Minimum [Member] Pension Plan, Defined Benefit [Member] | Dec. 31, 2013 Maximum [Member] Pension Plan, Defined Benefit [Member]
Note G - Pensions and Other Postretirement Benefits (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Defined Contribution Plan, Employer Discretionary Contribution Amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,340,000 | $ 1,220,000 | $ 1,000,000 |  |
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate |  |  |  | 0.00% | 5.00% |  |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements | 3,000,000 | 4,200,000 | 2,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized Actuarial Gain (Loss) in Excess of Benefit Obligation, Percentage |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum |  |  |  |  |  |  |  |  | 20.00% | 50.00% | 0.00% | 0.00% |  |  |  |  |
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |  |  |  |  |  |  |  |  | 40.00% | 70.00% | 12.00% | 10.00% |  |  |  |  |
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,000,000 | 5,000,000
Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components |  | 223,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation |  | 1,650,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components |  | 209,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation |  | 1,530,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan Effect On Pension Expense |  |  |  |  |  | $ 738,000 | $ 1,500,000 | $ 1,800,000 |  |  |  |  |  |  |  |  |

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- Definition Amount of effect of a one-percentage-point decrease in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Amount of effect of a one-percentage-point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition The effect of a one-percentage-point increase in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Target allocation maximum percentage of investments of this type to total plan assets presented on a weighted average basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 + Details
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