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Changes in Accumulated Other Comprehensive Loss by Component (Tables)
6 Months Ended
Jun. 30, 2020
Changes in Accumulated Other Comprehensive Loss by Component  
Schedule of changes to accumulated other comprehensive loss by component

Changes to accumulated other comprehensive loss by component for the six months ended June 30, 2020 are as follows:

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​

​

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Unrealized

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​

​

​

​

​

​

​

​

Net Loss

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​

Retiree

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​

​

​

​

​

on Interest

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​

Health

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​

​

​

​

​

Rate

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​

Benefit

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​

​

​

​

​

Swap

​

​

Obligation

​

​

Total

Balance at December 31, 2019

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$

(5,023)

​

$

2,209

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​

$

(2,814)

Other comprehensive loss before reclassifications

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​

(4,612)

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​

—

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​

​

(4,612)

Amounts reclassified from accumulated other comprehensive loss: (1)

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​

914

​

​

(114)

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​

​

800

Balance at June 30, 2020

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$

(8,721)

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$

2,095

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​

$

(6,626)

(1) Amounts reclassified from accumulated other comprehensive loss:

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​

​

​

​

​

​

​

​

Amortization of Other Postretirement Benefit items:

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​

​

​

​

​

​

​

​

​

Actuarial gains (a)

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$

(154)

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​

​

​

​

​

​

Tax expense

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​

40

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​

​

​

​

​

​

Reclassification net of tax

​

$

(114)

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Realized losses on interest rate swaps reclassified to interest expense

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$

1,235

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​

​

​

​

​

​

Tax benefit

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​

(321)

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​

​

​

​

​

​

Reclassification net of tax

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$

914

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​

​

​

​

​

​

​

​

​

​

​

​

​

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​

​

​

(a)     These components are included in the computation of benefit plan costs in Note 12.

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Changes to accumulated other comprehensive loss by component for the six months ended June 30, 2019 are as follows:

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​

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​

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​

​

​

​

​

​

​

​

Unrealized

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​

​

​

​

​

​

​

​

​

​

Net Loss

​

​

Retiree

​

​

​

​

​

​

​

​

on Interest

​

​

Health

​

​

​

​

​

​

​

​

Rate

​

​

Benefit

​

Pension

​

​

​

​

​

Swap

​

​

Obligation

​

Obligation

​

Total

Balance at December 31, 2018

​

$

(1,530)

​

$

2,118

​

$

(6,637)

​

$

(6,049)

Other comprehensive gain before reclassifications

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​

(3,596)

​

​

-

​

​

-

​

​

(3,596)

Amounts reclassified from accumulated other comprehensive loss: (1)

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​

70

​

​

(115)

​

​

220

​

​

175

Balance at June 30, 2019

​

$

(5,056)

​

$

2,003

​

$

(6,417)

​

$

(9,470)

(1) Amounts reclassified from accumulated other comprehensive loss:

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​

​

​

​

​

​

​

​

​

​

​

Amortization of Other Postretirement Benefit items:

​

​

​

​

​

​

​

​

​

​

​

​

Actuarial gains (a)

​

$

(156)

​

​

​

​

​

​

​

​

​

Tax expense

​

​

41

​

​

​

​

​

​

​

​

​

Reclassification net of tax

​

$

(115)

​

​

​

​

​

​

​

​

​

Amortization of pension items:

​

​

​

​

​

​

​

​

​

​

​

​

Actuarial losses (a)

​

$

298

​

​

​

​

​

​

​

​

​

Tax benefit

​

​

(78)

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​

​

​

​

​

​

​

​

Reclassification net of tax

​

$

220

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Realized losses on interest rate swaps reclassified to interest expense

​

$

95

​

​

​

​

​

​

​

​

​

Tax benefit

​

​

(25)

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​

​

​

​

​

​

​

​

Reclassification net of tax

​

$

70

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

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​

​

​

(a)These components are included in the computation of benefit plan costs in Note 12.