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Stockholder's Equity - Accumulated Other Comprehensive Income (Loss)
 3 Months Ended
Mar. 31, 2020
Equity [Abstract]  
Accumulated Other Comprehensive Income (Loss)
Stockholder's Equity
Accumulated Other Comprehensive Loss
Defined benefit pension and postretirement plan items, unrealized gains (losses) of our propane swap agreements and natural gas swaps and futures contracts, designated as commodity contracts cash flow hedges, are the components of our accumulated other comprehensive loss. The following tables present the changes in the balance of accumulated other comprehensive (loss)/income as of March 31, 2020 and 2019. All amounts except the stranded tax reclassification are presented net of tax.
 
 
Defined Benefit
 
Commodity
 
 
 
 
Pension and
 
Contract
 
 
 
 
Postretirement
 
Cash Flow
 
 
 
 
Plan Items
 
Hedges
 
Total
(in thousands)
 
 
 
 
 
 
As of December 31, 2019
 
$
(4,933
)
 
$
(1,334
)
 
$
(6,267
)
Other comprehensive income before reclassifications
 
—

 
895

 
895

Amounts reclassified from accumulated other comprehensive income (loss)
 
66

 
(888
)
 
(822
)
Net current-period other comprehensive income
 
66

 
7

 
73

As of March 31, 2020
 
$
(4,867
)
 
$
(1,327
)
 
$
(6,194
)

(in thousands)
 
 
 
 
 
 
As of December 31, 2018
 
$
(5,928
)
 
$
(785
)
 
$
(6,713
)
Other comprehensive income before reclassifications
 
—

 
3,021

 
3,021

Amounts reclassified from accumulated other comprehensive income
 
107

 
(39
)
 
68

Net prior-period other comprehensive income
 
107

 
2,982

 
3,089

Prior-year reclassification
 


 
(115
)
 
(115
)
As of March 31, 2019
 
$
(5,821
)
 
$
2,082

 
$
(3,739
)

The following table presents amounts reclassified out of accumulated other comprehensive loss for the three months ended March 31, 2020 and 2019. Deferred gains or losses for our commodity contract cash flow hedges are recognized in earnings upon settlement.
 
 
Three Months Ended
 
 
March 31,
 
 
2020
 
2019
(in thousands)
 
 
 
 
Amortization of defined benefit pension and postretirement plan items:
 
 
 
 
Prior service credit (1)
 
$
19

 
$
19

Net loss(1)
 
(108
)
 
(163
)
Total before income taxes
 
(89
)

(144
)
Income tax benefit
 
23

 
37

Net of tax
 
$
(66
)
 
$
(107
)
Gains and losses on commodity contracts cash flow hedges:
 
 
 
 
Propane swap agreements (2)
 
$
1,227

 
$
606

Natural gas swaps (2)(3)
 
—

 
11

Natural gas futures (2)(3)
 
—

 
(573
)
Total before income taxes
 
1,227

 
44

Income tax benefit (expense)
 
(339
)
 
(5
)
Net of tax
 
888

 
39

Total reclassifications for the period
 
$
822

 
$
(68
)

(1) These amounts are included in the computation of net periodic costs (benefits). See Note 10, Employee Benefit Plans, for additional details.
(2) These amounts are included in the effects of gains and losses from derivative instruments. See Note 13, Derivative Instruments, for additional details.
(3) PESCO's results for the first quarter of 2019 are reflected as discontinued operations in our condensed consolidated statements of income.
Amortization of defined benefit pension and postretirement plan items is included in other expense, net gains and losses on propane swap agreements, call options and natural gas futures contracts are included in cost of sales in the accompanying condensed consolidated statements of income. The income tax benefit is included in income tax expense in the accompanying condensed consolidated statements of income.