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Accumulated Other Comprehensive Income (Loss) | 6 Months Ended
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Jun. 30, 2015
Equity [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income (Loss) Defined benefit pension and postretirement plan items and unrealized gains (losses) of our propane swap agreements and call options, designated as commodity contracts cash flow hedges, are the components of our accumulated comprehensive income (loss). The following tables present the changes in the balance of accumulated other comprehensive loss for the six months ended June 30, 2015 and 2014. All amounts are presented net of tax.
|  | Defined Benefit |  | Commodity |  |
|  | Pension and |  | Contracts |  |
|  | Postretirement |  | Cash Flow |  |
|  | Plan Items |  | Hedges |  | Total
(in thousands) |  |  |  |  |  |
As of December 31, 2014 |  | $ | (5,643 | ) |  | $ | (33 | ) |  | $ | (5,676 | )
Other comprehensive loss before reclassifications |  | — |  |  | (1 | ) |  | (1 | )
Amounts reclassified from accumulated other comprehensive loss |  | 165 |  |  | 33 |  |  | 198 |
Net current-period other comprehensive income |  | 165 |  |  | 32 |  |  | 197 |
As of June 30, 2015 |  | $ | (5,478 | ) |  | $ | (1 | ) |  | $ | (5,479 | )
|  | Defined Benefit |  | Commodity |  |
|  | Pension and |  | Contracts |  |
|  | Postretirement |  | Cash Flow |  |
|  | Plan Items |  | Hedges |  | Total
(in thousands) |  |  |  |  |  |
As of December 31, 2013 |  | $ | (2,533 | ) |  | $ | — |  |  | $ | (2,533 | )
Other comprehensive loss before reclassifications |  | — |  |  | (1 | ) |  | (1 | )
Amounts reclassified from accumulated other comprehensive loss |  | 61 |  |  | — |  |  | 61 |
Net current-period other comprehensive income (loss) |  | 61 |  |  | (1 | ) |  | 60 |
As of June 30, 2014 |  | $ | (2,472 | ) |  | $ | (1 | ) |  | $ | (2,473 | )
The following table presents amounts reclassified out of accumulated other comprehensive loss for the three and six months ended June 30, 2015 and 2014. Deferred gains or losses for our commodity contracts cash flow hedges are recognized in earnings upon settlement.
|  | Three Months Ended |  | Six Months Ended
|  | June 30, |  | June 30,
|  | 2015 |  | 2014 |  | 2015 |  | 2014
(in thousands) |  |  |  |  |  |  |  |
Amortization of defined benefit pension and postretirement plan items: |  |  |  |  |  |  |  |
Prior service cost (1) |  | $ | 17 |  |  | $ | 15 |  |  | $ | 34 |  |  | $ | 30 |
Net loss (1) |  | (155 | ) |  | (67 | ) |  | (310 | ) |  | (132 | )
Total before income taxes |  | (138 | ) |  | (52 | ) |  | (276 | ) |  | (102 | )
Income tax benefit |  | 55 |  |  | 21 |  |  | 111 |  |  | 41 |
Net of tax |  | $ | (83 | ) |  | $ | (31 | ) |  | $ | (165 | ) |  | $ | (61 | )
Gains and losses on commodity contracts cash flow hedges |  |  |  |  |  |  |  |
Propane swap agreements (2) |  | $ | (10 | ) |  | $ | 2 |  |  | $ | 2 |  |  | $ | 2 |
Call options (2) |  | — |  |  | — |  |  | (55 | ) |  | — |
Total before income taxes |  | (10 | ) |  | 2 |  |  | (53 | ) |  | 2 |
Income tax benefit |  | 4 |  |  | (1 | ) |  | 21 |  |  | (1 | )
Net of tax |  | (6 | ) |  | 1 |  |  | (32 | ) |  | 1 |
Total reclassifications for the period |  | $ | (89 | ) |  | $ | (30 | ) |  | $ | (197 | ) |  | $ | (60 | )
(1) These amounts are included in the computation of net periodic costs (benefits). See Note 9, Employee Benefit Plans, for additional details. (2) These amounts are included in the effects of gains and losses from derivative instruments. See Note 12, Derivative Instruments, for additional details. Amortization of defined benefit pension and postretirement plan items is included in operations expense and gains and losses on propane swap agreements and call options 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.

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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 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669619-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e640-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e716-108580 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e709-108580 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e681-108580 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Reclassification Adjustments -URI http://asc.fasb.org/extlink&oid=6522872 + Details
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