XML 56 R15.htm IDEA: XBRL DOCUMENT
v3.20.1

Accumulated other comprehensive income (loss) | 3 Months Ended
--- | ---
Mar. 31, 2020
Equity [Abstract] |
Comprehensive income (loss) | Accumulated other comprehensive income (loss) The after-tax changes in the components of accumulated other comprehensive loss were as follows:
| Net Unrealized Gain (Loss) on Derivative Instruments Qualifying as Hedges |  | Postretirement Liability Adjustment |  | Net Unrealized Gain (Loss) on Available-for-sale Investments |  | Total Accumulated Other Comprehensive Loss |
| (In thousands)
At December 31, 2019 | $ | (1,430 | ) | $ | (40,734 | ) | $ | 62 |  | $ | (42,102 | )
Other comprehensive income before reclassifications | — |  | — |  | 135 |  | 135 |
Amounts reclassified from (to) accumulated other comprehensive loss | 111 |  | 462 |  | (1 | ) | 572 |
Net current-period other comprehensive income | 111 |  | 462 |  | 134 |  | 707 |
At March 31, 2020 | $ | (1,319 | ) | $ | (40,272 | ) | $ | 196 |  | $ | (41,395 | )
| Net Unrealized Gain (Loss) on Derivative Instruments Qualifying as Hedges |  | Postretirement Liability Adjustment |  | Net Unrealized Gain (Loss) on Available-for-sale Investments |  | Total Accumulated Other Comprehensive Loss |
| (In thousands)
At December 31, 2018 | $ | (2,161 | ) | $ | (36,069 | ) | $ | (112 | ) | $ | (38,342 | )
Other comprehensive income before reclassifications | — |  | — |  | 39 |  | 39 |
Amounts reclassified from accumulated other comprehensive loss | 397 |  | 310 |  | 28 |  | 735 |
Net current-period other comprehensive income | 397 |  | 310 |  | 67 |  | 774 |
At March 31, 2019 | $ | (1,764 | ) | $ | (35,759 | ) | $ | (45 | ) | $ | (37,568 | )
The following amounts were reclassified between accumulated other comprehensive loss and net income. The amounts presented in parenthesis indicate a decrease to net income on the Consolidated Statements of Income. The reclassifications were as follows:
| Three Months Ended | Location on Consolidated Statements of Income
| March 31,
| 2020 | 2019
| (In thousands) |
Reclassification adjustment for loss on derivative instruments included in net income | $ | (147 | ) | $ | (148 | ) | Interest expense
| 36 |  | (249 | ) | Income taxes
| (111 | ) | (397 | ) |
Amortization of postretirement liability losses included in net periodic benefit cost | (611 | ) | (410 | ) | Other income
| 149 |  | 100 |  | Income taxes
| (462 | ) | (310 | ) |
Reclassification adjustment on available-for-sale investments included in net income | 1 |  | (35 | ) | Other income
| — |  | 7 |  | Income taxes
| 1 |  | (28 | ) |
Total reclassifications | $ | (572 | ) | $ | (735 | ) |

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
Name: | us-gaap_ComprehensiveIncomeNoteTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration