v3.20.1

Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Statement of Comprehensive Income [Abstract] |  |  |
Net income | $ 1,020,849 | $ 1,333,925 | $ 869,531
Other comprehensive income: |  |  |
Net gain (loss) on cash flow hedges | (25,216) | 4,317 | (1,937)
Reclassification of net loss on cash flow hedges to income | 2,736 | 2,958 | 2,958
Net actuarial loss | (27,351) | (2,323) | (46,008)
Amortization of prior service credit | (181) | (181) | (181)
Amortization of actuarial loss | 5,820 | 10,352 | 6,371
Settlement cost | 2,606 | 1,964 | 2,460
Total other comprehensive income (loss) | (41,586) | 17,087 | (36,337)
Comprehensive income | $ 979,263 | $ 1,351,012 | $ 833,194

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