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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning Balance |  | $ 1,160,660 | $ 1,195,655
Other comprehensive income (loss) |  | 10,862 | (20,418)
Ending Balance |  | 1,182,551 | 1,113,862
Accumulated Other Comprehensive Income (Loss) |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning Balance |  | (12,076) | (7,231)
Ending Balance |  | (1,214) | (27,649)
Currency Translation Adjustment |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning Balance |  | 5,739 | 1,065
Other comprehensive income (loss) before reclassifications |  | 1,224 | (6,639)
Other Comprehensive Income (Loss), Tax |  | 0 | 0
Other comprehensive income (loss) |  | 1,224 | (6,639)
Ending Balance |  | 6,963 | (5,574)
Hedging Adjustment |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning Balance |  | (18,106) | (9,443)
Other comprehensive income (loss) before reclassifications |  | 8,126 | (14,390)
Amounts reclassified from accumulated other comprehensive income (loss) | [1] | 2,153 | 969
Other Comprehensive Income (Loss), Tax |  | (538) | (242)
Other comprehensive income (loss) |  | 9,741 | (13,663)
Ending Balance |  | (8,365) | (23,106)
Pension and Other Postretirement Adjustment |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning Balance |  | 33 | 889
Other comprehensive income (loss) before reclassifications |  | 68 | 55
Amounts reclassified from accumulated other comprehensive income (loss) | [2] | (228) | (228)
Other Comprehensive Income (Loss), Tax |  | 57 | 57
Other comprehensive income (loss) |  | (103) | (116)
Ending Balance |  | (70) | 773
Investments in Convertible Preferred Securities Adjustment |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |
Beginning Balance |  | 258 | 258
Other comprehensive income (loss) |  | 0 | 0
Ending Balance |  | $ 258 | $ 258
[1] | Amounts reclassified from gain (loss) on cash flow hedges are reclassified from AOCI to income when the hedged item affects earnings and is recognized in Interest expense, net. See Note 5 for additional information.
[2] | This accumulated other comprehensive loss component is included in the computation of net periodic benefit cost recorded in Operating, administrative and general expenses.

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- Definition Amount before tax and reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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