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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Abstract] |
Schedule of Changes in Accumulated Other Comprehensive Income (Loss) |
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ | Pre-Tax |  | Tax |  | After-Tax
﻿Year ended December 31, 2017 |  |  |  |  |
﻿Pension liability activity: |  |  |  |  |
﻿ Actuarial gain | $ 545 |  | $ 119 |  | $ 426
﻿Reclassification adjustment for amortization of net loss (pre-tax cost of sales of $514 and selling, general and administrative expenses of $(39)) | 475 |  | 167 |  | 308
﻿Postretirement liability activity: |  |  |  |  |
﻿ Actuarial gain | 74 |  | 17 |  | 57
﻿Reclassification adjustment for amortization of net gain (pre-tax cost of sales of $(8) and selling, general and administrative expenses of $(309)) | (317) |  | (112) |  | (205)
﻿Reclassification adjustment for amortization of prior service cost (pre-tax selling, general and administrative expenses of $14) | 14 |  | 4 |  | 10
﻿ | $ 791 |  | $ 195 |  | $ 596
﻿ ﻿
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ | Pre-Tax |  | Tax |  | After-Tax
﻿Year ended December 31, 2016 |  |  |  |  |
﻿Pension liability activity: |  |  |  |  |
﻿Actuarial loss | $ (433) |  | $ (154) |  | $ (279)
﻿Reclassification adjustment for amortization of net loss (pre-tax cost of sales of $279 and selling, general and administrative expenses of $220) | 499 |  | 177 |  | 322
﻿Postretirement liability activity: |  |  |  |  |
﻿Actuarial loss | (1,586) |  | (563) |  | (1,023)
﻿Settlement gain | 37,190 |  | 13,202 |  | 23,988
﻿Reclassification adjustment for settlement income (pre-tax gain on settlement of postretirement benefit obligation) | (15,606) |  | (5,540) |  | (10,066)
﻿ Reclassification adjustment for prior service curtailment cost | 38 |  | 14 |  | 24
﻿Reclassification adjustment for amortization of net gain (pre-tax cost of sales ($80), selling, general and administrative expenses of ($17)) | (97) |  | (34) |  | (63)
﻿Reclassification adjustment for amortization of prior service cost (pre-tax cost of sales of $14 and selling, general and administrative expenses of $4) | 18 |  | 6 |  | 12
﻿ | $ 20,023 |  | $ 7,108 |  | $ 12,915
﻿ ﻿ ﻿
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ | Pre-Tax |  | Tax |  | After-Tax
﻿Year ended December 31, 2015 |  |  |  |  |
﻿Pension liability activity: |  |  |  |  |
﻿Actuarial loss | $ (190) |  | $ (67) |  | $ (123)
﻿Reclassification adjustment for amortization of net loss (pre-tax cost of sales of $333 and selling, general and administrative expenses of $107) | 440 |  | 163 |  | 277
﻿Postretirement liability activity: |  |  |  |  |
﻿Actuarial gain | 3,621 |  | 1,273 |  | 2,348
﻿Reclassification adjustment for amortization of net loss (pre-tax cost of sales of $567 and selling, general and administrative expenses of $80) | 647 |  | 237 |  | 410
﻿Reclassification adjustment for amortization of prior service cost (pre-tax cost of sales of $37 and selling, general and administrative expenses of $5) | 42 |  | 15 |  | 27
﻿ | $ 4,560 |  | $ 1,621 |  | $ 2,939
﻿
Components of Accumulated Other Comprehensive Income Loss |
﻿ |  |  |  |  |
﻿ |  |  | December 31, |  | December 31,
﻿ |  |  | 2017 |  | 2016
﻿Unrecognized pension cost, net of tax of $6,120 and $6,405 |  | $ (9,707) |  | $ (10,441)
﻿Unrecognized postretirement income, net of tax of $533 and $623 |  | 2,140 |  | 2,278
﻿ |  |  | $ (7,567) |  | $ (8,163)
﻿

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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