Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||
| Profit (loss) | — |
168,900,000
USD
|
168,900,000
USD
|
— |
23,300,000
USD
|
0
USD
|
23,300,000
USD
|
— |
| Adjustments to reconcile profit (loss) [abstract] | ||||||||
| Adjustments for decrease (increase) in trade accounts receivable | — | — |
17,600,000
USD
|
— |
11,500,000
USD
|
— | — | — |
| Adjustments for increase (decrease) in trade accounts payable | — | — |
9,000,000
USD
|
— |
12,600,000
USD
|
— | — | — |
| Adjustments for depreciation and amortisation expense | — | — |
7,000,000
USD
|
— |
23,400,000
USD
|
— | — | — |
| Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss | — | — |
59,800,000
USD
|
— | — | — | — | — |
| Adjustments for unrealised foreign exchange losses (gains) | — | — |
2,700,000
USD
|
— |
3,500,000
USD
|
— | — | — |
| Adjustments for share-based payments | — | — |
14,100,000
USD
|
— |
9,500,000
USD
|
— | — | — |
| Adjustments for undistributed profits of associates | — | — |
3,000,000
USD
|
— |
0
USD
|
— | — | — |
| Other adjustments for non-cash items | — | — |
5,700,000
USD
|
— |
5,400,000
USD
|
— | — | — |
| Other adjustments for which cash effects are investing or financing cash flow | — | — |
215,700,000
USD
|
— |
200,000
USD
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — | — |
0
USD
|
— |
5,300,000
USD
|
— | — | — |
| Cash flows from (used in) operating activities | — | — |
4,800,000
USD
|
— |
19,100,000
USD
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — |
179,300,000
USD
|
— | — | — | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — | — |
200,000
USD
|
— | — | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — | — |
100,000
USD
|
— |
100,000
USD
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — | — |
2,800,000
USD
|
— |
10,300,000
USD
|
— | — | — |
| Dividends received, classified as investing activities | — | — |
30,800,000
USD
|
— |
0
USD
|
— | — | — |
| Cash flows from (used in) investing activities | — | — |
207,100,000
USD
|
— |
12,400,000
USD
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||
| Payments from changes in ownership interests in subsidiaries that do not result in loss of control | — | — |
132,600,000
USD
|
— |
400,000
USD
|
— | — | — |
| Payments of other equity instruments | — | — |
100,000
USD
|
— |
0
USD
|
— | — | — |
| Proceeds from borrowings, classified as financing activities | — | — |
0
USD
|
— |
15,000,000
USD
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — | — |
35,500,000
USD
|
— |
1,300,000
USD
|
— | — | — |
| Payments of lease liabilities, classified as financing activities | — | — |
1,500,000
USD
|
— |
2,800,000
USD
|
— | — | — |
| Cash flows from (used in) financing activities | — | — |
169,700,000
USD
|
— |
10,500,000
USD
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
5,100,000
USD
|
— |
3,600,000
USD
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — |
42,200,000
USD
|
— |
17,200,000
USD
|
— | — | — |
| Cash and cash equivalents |
79,000,000
USD
|
— | — |
41,900,000
USD
|
— | — | — |
28,300,000
USD
|