Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||
| Cash flows from (used in) operating activities [abstract] | |||||||
| Profit (loss) | — |
16,000,000
USD
|
16,000,000
USD
|
— |
168,900,000
USD
|
168,900,000
USD
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||
| Adjustments for decrease (increase) in trade accounts receivable | — |
0
USD
|
— | — | — |
17,600,000
USD
|
— |
| Adjustments for increase (decrease) in trade accounts payable | — |
0
USD
|
— | — | — |
9,000,000
USD
|
— |
| Adjustments for depreciation and amortisation expense | — |
700,000
USD
|
— | — | — |
7,000,000
USD
|
— |
| Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss | — |
6,700,000
USD
|
— | — | — |
59,800,000
USD
|
— |
| Adjustments for unrealised foreign exchange losses (gains) | — |
400,000
USD
|
— | — | — |
2,700,000
USD
|
— |
| Adjustments for share-based payments | — | — | — | — | — |
14,100,000
USD
|
— |
| Adjustments for undistributed profits of associates | — |
4,100,000
USD
|
— | — | — |
3,000,000
USD
|
— |
| Other adjustments for non-cash items | — |
700,000
USD
|
— | — | — |
5,700,000
USD
|
— |
| Other adjustments for which cash effects are investing or financing cash flow | — |
400,000
USD
|
— | — | — |
215,700,000
USD
|
— |
| Income taxes paid (refund), classified as operating activities | — |
0
USD
|
— | — | — |
0
USD
|
— |
| Cash flows from (used in) operating activities | — |
8,800,000
USD
|
— | — | — |
4,800,000
USD
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
191,600,000
USD
|
— | — | — |
179,300,000
USD
|
— |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — |
0
USD
|
— | — | — |
100,000
USD
|
— |
| Purchase of intangible assets, classified as investing activities | — | — | — | — | — |
2,800,000
USD
|
— |
| Dividends received, classified as investing activities | — |
1,400,000
USD
|
— | — | — |
30,800,000
USD
|
— |
| Income taxes paid (refund), classified as investing activities | — |
13,900,000
USD
|
— | — | — |
0
USD
|
— |
| Cash flows from (used in) investing activities | — |
179,100,000
USD
|
— | — | — |
207,100,000
USD
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||||
| Payments to acquire or redeem entity's shares | — |
31,200,000
USD
|
— | — | — |
132,600,000
USD
|
— |
| Payments of other equity instruments | — | — | — | — | — |
100,000
USD
|
— |
| Repayments of borrowings, classified as financing activities | — | — | — | — | — |
35,500,000
USD
|
— |
| Payments of lease liabilities, classified as financing activities | — |
100,000
USD
|
— | — | — |
1,500,000
USD
|
— |
| Dividends paid, classified as financing activities | — |
196,800,000
USD
|
— | — | — | — | — |
| Cash flows from (used in) financing activities | — |
228,100,000
USD
|
— | — | — |
169,700,000
USD
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
20,400,000
USD
|
— | — | — |
5,100,000
USD
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
40,200,000
USD
|
— | — | — |
42,200,000
USD
|
— |
| Cash and cash equivalents |
18,400,000
USD
|
— | — |
79,000,000
USD
|
— | — |
41,900,000
USD
|