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Note E - Accumulated Other Comprehensive Loss (Details) - Reclassifications out of Accumulated Other Comprehensive Loss (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |||||||||||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] | ||||||||||||
| Settlement loss (b) | $ (298,010) | $ (285,540) | $ (271,653) | |||||||||
| Settlement loss (c) | (51,734) | (47,968) | (44,843) | |||||||||
| Total before income tax | 44,277 | 42,447 | 42,685 | |||||||||
| Income tax | (14,173) | (14,244) | (13,881) | |||||||||
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Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] | ||||||||||||
| Recognized actuarial gain (loss) (a) | 10,282 | [1] | (3,922) | [1] | (12,022) | [1] | ||||||
| Settlement loss (b) | 2,756 | [2] | 1,940 | [2] | 1,987 | [2] | ||||||
| Settlement loss (c) | 1,413 | [3] | 995 | [3] | 1,023 | [3] | ||||||
| Total before income tax | 14,451 | (987) | (9,012) | |||||||||
| Income tax | (5,249) | 312 | 3,282 | |||||||||
| Net of income tax | $ 9,202 | $ (675) | $ (5,730) | |||||||||
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