STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Comprehensive income: | ||||
| Net income | $ 68,346 | $ 61,815 | $ 123,080 | $ 104,638 |
| Pension and retiree medical benefits: | ||||
| Net Amortization of losses included in net periodic benefit cost, net of tax of $6, $0, $19 and $0, respectively | 12 | 0 | 35 | 0 |
| Derivative instruments: | ||||
| Reclassification of losses to net income, net of tax of $25, $24, $74 and $72, respectively | 44 | 44 | 129 | 129 |
| Other comprehensive income | 56 | 44 | 164 | 129 |
| Comprehensive income | $ 68,402 | $ 61,859 | $ 123,244 | $ 104,767 |