Consolidated condensed statements of changes in equity - USD ($) $ in Thousands |
Total |
Total Equity Attributable to Company [Member] |
Share Capital [Member] |
Parent Company Reserves [Member] |
Other Reserves [Member] |
Retained Earnings [Member] |
Accumulated Currency Translation Differences [Member] |
Non-controlling Interest [Member] |
|---|---|---|---|---|---|---|---|---|
| Balance, beginning of period at Dec. 31, 2016 | $ 1,959,111 | $ 1,832,716 | $ 10,022 | $ 2,268,497 | $ 52,797 | $ (365,410) | $ (133,150) | $ 126,395 |
| Profit/(loss) for the three-month period after taxes | (14,407) | (11,769) | 0 | 0 | 0 | (11,769) | 0 | (2,638) |
| Change in fair value of cash flow hedges | 8,720 | 9,027 | 0 | 0 | 9,027 | 0 | 0 | (307) |
| Currency translation differences | 13,862 | 12,823 | 0 | 0 | 0 | 0 | 12,823 | 1,039 |
| Tax effect | (1,337) | (1,441) | 0 | 0 | (1,441) | 0 | 0 | 105 |
| Other comprehensive income/(loss) | 21,245 | 20,409 | 0 | 0 | 7,586 | 0 | 12,823 | 836 |
| Total comprehensive income/(loss) for the period | 6,837 | 8,640 | 0 | 0 | 7,586 | (11,769) | 12,823 | (1,803) |
| Dividend distribution | (25,054) | (25,054) | 0 | (25,054) | 0 | 0 | 0 | 0 |
| Balance, end of period at Mar. 31, 2017 | 1,940,894 | 1,816,302 | 10,022 | 2,243,403 | 60,383 | (377,179) | (120,327) | 124,592 |
| Balance, beginning of period (Restated [Member]) at Dec. 31, 2017 | 1,884,967 | 1,748,372 | 10,022 | 2,163,229 | 82,294 | (489,026) | (18,147) | 136,595 |
| Balance, beginning of period (Application of New Accounting Standards [Member]) at Dec. 31, 2017 | (10,486) | (10,486) | 0 | 0 | 1,326 | (11,812) | 0 | 0 |
| Balance, beginning of period at Dec. 31, 2017 | 1,895,453 | 1,758,858 | 10,022 | 2,163,229 | 80,968 | (477,214) | (18,147) | 136,595 |
| Profit/(loss) for the three-month period after taxes | (1,510) | (4,764) | 0 | 0 | 0 | (4,764) | 0 | 3,254 |
| Change in fair value of cash flow hedges | 18,471 | 20,386 | 0 | 0 | 20,386 | 0 | 0 | (1,915) |
| Currency translation differences | 30,302 | 27,668 | 0 | 0 | 0 | 0 | 27,668 | 2,634 |
| Tax effect | (6,026) | (6,539) | 0 | 0 | (6,539) | 0 | 0 | 513 |
| Other comprehensive income/(loss) | 42,747 | 41,515 | 0 | 0 | 13,847 | 0 | 27,668 | 1,232 |
| Total comprehensive income/(loss) for the period | 41,237 | 36,751 | 0 | 0 | 13,847 | (4,764) | 27,668 | 4,486 |
| Dividend distribution | (31,068) | (31,068) | 0 | (31,068) | 0 | 0 | 0 | 0 |
| Balance, end of period at Mar. 31, 2018 | $ 1,895,136 | $ 1,754,055 | $ 10,022 | $ 2,132,161 | $ 96,141 | $ (493,790) | $ 9,521 | $ 141,081 |