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Other comprehensive income (Tables) | 9 Months Ended
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Sep. 30, 2022
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Reclassification adjustments | Reclassification adjustments – Information regarding amounts reclassified from accumulated other comprehensive loss to net income was as follows:
Accumulated other comprehensive loss components |  | Amounts reclassified from accumulated other comprehensive loss |  | Affected line item in consolidated statements of comprehensive income
|  | Quarter Ended September 30, |  | Nine Months Ended September 30, |  |
(in thousands) |  | 2022 |  | 2021 |  | 2022 |  | 2021 |  |
Amortization of postretirement benefit plan items: |  |  |  |  |  |  |  |  |  |
Prior service credit |  | $ | 355 |  |  | $ | 355 |  |  | $ | 1,066 |  |  | $ | 1,066 |  |  | Other income
Net actuarial loss |  | (225) |  |  | (407) |  |  | (674) |  |  | (1,221) |  |  | Other income
Total amortization |  | 130 |  |  | (52) |  |  | 392 |  |  | (155) |  |  | Other income
Tax expense |  | (79) |  |  | (30) |  |  | (237) |  |  | (93) |  |  | Income tax provision
Amortization of postretirement benefit plan items, net of tax |  | 51 |  |  | (82) |  |  | 155 |  |  | (248) |  |  | Net income
Realized loss on debt securities |  | — |  |  | — |  |  | (8) |  |  | — |  |  | Revenue
Tax benefit |  | — |  |  | — |  |  | 2 |  |  | — |  |  | Income tax provision
Realized loss on debt securities, net of tax |  | — |  |  | — |  |  | (6) |  |  | — |  |  | Net income
Realized gain (loss) on cash flow hedges |  | 53 |  |  | (371) |  |  | (412) |  |  | (1,035) |  |  | Interest expense
Tax (expense) benefit |  | (15) |  |  | 97 |  |  | 109 |  |  | 271 |  |  | Income tax provision
Realized gain (loss) on cash flow hedges, net of tax |  | 38 |  |  | (274) |  |  | (303) |  |  | (764) |  |  | Net income
Currency translation adjustment(1) |  | — |  |  | — |  |  | (5,550) |  |  | — |  |  | Gain on sale of businesses and facility
Total reclassifications, net of tax |  | $ | 89 |  |  | $ | (356) |  |  | $ | (5,704) |  |  | $ | (1,012) |  |  |
(1) Relates to the sale of our Australian web hosting business during the quarter ended June 30, 2022. Further information can be found in Note 6.
Accumulated other comprehensive loss | Accumulated other comprehensive loss – Changes in the components of accumulated other comprehensive loss during the nine months ended September 30, 2022 were as follows:
(in thousands) |  | Postretirement benefit plans |  | Net unrealized loss on debt securities(1) |  | Net unrealized loss on cash flow hedges(2) |  | Currency translation adjustment |  | Accumulated other comprehensive loss
Balance, December 31, 2021 |  | $ | (15,431) |  |  | $ | (344) |  |  | $ | (2,261) |  |  | $ | (13,456) |  |  | $ | (31,492) |
Other comprehensive (loss) income before reclassifications |  | — |  |  | (566) |  |  | 4,712 |  |  | (6,006) |  |  | (1,860) |
Amounts reclassified from accumulated other comprehensive loss |  | (155) |  |  | 6 |  |  | 303 |  |  | 5,550 |  |  | 5,704 |
Net current-period other comprehensive (loss) income |  | (155) |  |  | (560) |  |  | 5,015 |  |  | (456) |  |  | 3,844 |
Balance, September 30, 2022 |  | $ | (15,586) |  |  | $ | (904) |  |  | $ | 2,754 |  |  | $ | (13,912) |  |  | $ | (27,648) |
(1) Other comprehensive loss before reclassifications is net of an income tax benefit of $197. (2) Other comprehensive income before reclassifications is net of income tax expense of $1,701.

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