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Consolidated Statements Of Equity (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Cumulative foreign currency translation |  | $ (900) | $ 500 | $ 2,100
Post retirement liability adjustments |  | (86,800) | (94,700) | $ (103,800)
Cumulative effect on retained earnings, net of tax | [1] | $ 854 |  |
Accounting Standards Update 2016-09 [Member] |  |  |  |
Cumulative effect on retained earnings, net of tax |  |  | $ 1,000 |
[1] | Represents adjustment to retained earnings upon the adoption of Accounting Standards Codification Topic 606.

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