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Accumulated Other Comprehensive Loss | 12 Months Ended
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Dec. 31, 2017
Accumulated Other Comprehensive Loss [Abstract] |
Accumulated Other Comprehensive Loss | ﻿ Note P – Accumulated Other Comprehensive Loss ﻿ The components of Accumulated other comprehensive l oss on the Consolidated Balance Sheets at December 31, 201 7 and December 31, 201 6 and the changes during 2017 and 201 6 are presented net of taxes in the following table. ﻿ ﻿
﻿ |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |
﻿(Thousands of dollars) | Foreign Currency Translation Gains (Losses) |  | Retirement and Postretirement Benefit Plan Adjustments |  | Deferred Loss on Interest Rate Derivative Hedges |  | Total
﻿Balance at December 31, 2015 | $ | (513,004) |  | (179,260) |  | (12,278) |  | (704,542)
﻿2016 components of other comprehensive income (loss): |  |  |  |  |  |  |  |
﻿Before reclassifications to income |  | 66,449 |  | (3,763) |  | – |  | 62,686
﻿Reclassifications to income |  | – |  | 11,718 | 1 | 1,926 | 2 | 13,644
﻿ Net other comprehensive income |  | 66,449 |  | 7,955 |  | 1,926 |  | 76,330
﻿Balance at December 31, 2016 |  | (446,555) |  | (171,305) |  | (10,352) |  | (628,212)
﻿2017 components of other comprehensive income (loss): |  |  |  |  |  |  |  |
﻿Before reclassifications to income |  | 171,725 |  | (17,269) |  | – |  | 154,456
﻿Reclassifications to income |  | – |  | 9,587 | 1 | 1,926 | 2 | 11,513
﻿ Net other comprehensive income (loss) |  | 171,725 |  | (7,682) |  | 1,926 |  | 165,969
﻿Balance at December 31, 2017 | $ | (274,830) |  | (178,987) |  | (8,426) |  | (462,243)
﻿
| 1 |  | Reclassifications before taxes of $14,821 and $18,036 are included in the computation of net periodic benefit expense in 201 7 and 2016, respectively. See Note K for additional information. Related income taxes of $5,234 and $6,318 are included in income tax expense in 201 7 and 2016, respectively.
| 2 |  | Reclassifications before taxes of $2,963 are included in Interest expense in both 201 7 and 2016. Related income taxes of $1,037 are included in income tax expense in 201 7 and 2016. See Note L for additional information.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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