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v3.21.2

Reclassification out of accumulated other comprehensive loss (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Reclassification adjustment out of accumulated other comprehensive loss [Line Items] |  |  |  |  |  |
Interest expense | $ (23,381) |  | $ (24,818) |  | $ (46,835) | $ (49,371)
Income taxes | (23,164) |  | (23,657) |  | (36,112) | (29,631)
Other income | 9,027 |  | 10,063 |  | 12,381 | 9,058
Net Income | 100,190 | $ 52,131 | 99,703 | $ 25,130 | 152,321 | 124,833
Reclassification out of accumulated other comprehensive loss |  |  |  |  |  |
Reclassification adjustment out of accumulated other comprehensive loss [Line Items] |  |  |  |  |  |
Net Income | (594) |  | (599) |  | (1,206) | (1,171)
Reclassification adjustment for loss on derivative instruments included in net income | Reclassification out of accumulated other comprehensive loss | Interest rate contract |  |  |  |  |  |
Reclassification adjustment out of accumulated other comprehensive loss [Line Items] |  |  |  |  |  |
Interest expense | (148) |  | (148) |  | (296) | (295)
Income taxes | 36 |  | 36 |  | 73 | 72
Net Income | (112) |  | (112) |  | (223) | (223)
Amortization of postretirement liability losses included in net periodic benefit cost | Reclassification out of accumulated other comprehensive loss |  |  |  |  |  |
Reclassification adjustment out of accumulated other comprehensive loss [Line Items] |  |  |  |  |  |
Income taxes | 160 |  | 155 |  | 311 | 304
Other income | (617) |  | (635) |  | (1,234) | (1,246)
Net Income | (457) |  | (480) |  | (923) | (942)
Reclassification adjustment on available-for-sale investments included in net income | Reclassification out of accumulated other comprehensive loss |  |  |  |  |  |
Reclassification adjustment out of accumulated other comprehensive loss [Line Items] |  |  |  |  |  |
Income taxes | 6 |  | 2 |  | 15 | 2
Other income | (31) |  | (9) |  | (75) | (8)
Net Income | $ (25) |  | $ (7) |  | $ (60) | $ (6)

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