Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Vehicles [abstract] | |||
| Ships |
397,000,000
USD
|
412,300,000
USD
|
— |
| Construction in progress |
0
USD
|
1,100,000
USD
|
— |
| Other property, plant and equipment |
2,200,000
USD
|
2,100,000
USD
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
14,100,000
USD
|
6,900,000
USD
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
73,900,000
USD
|
160,300,000
USD
|
198,100,000
USD
|
| Miscellaneous current assets [abstract] | |||
| Other current assets |
5,600,000
USD
|
5,000,000
USD
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
422,400,000
USD
|
78,700,000
USD
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
900,000
USD
|
1,430,700,000
USD
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Current trade payables |
1,800,000
USD
|
1,400,000
USD
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current derivative financial liabilities |
0
USD
|
3,700,000
USD
|
— |
| Other non-current liabilities |
2,200,000
USD
|
2,300,000
USD
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
18,500,000
USD
|
10,400,000
USD
|
— |
| Issued capital [abstract] | |||
| Issued capital |
497,500,000
USD
|
9,100,000
USD
|
— |
| Miscellaneous equity [abstract] | |||
| Reserve of equity component of convertible instruments |
0
USD
|
18,800,000
USD
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
492,800,000
USD
|
587,700,000
USD
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
93,600,000
USD
|
172,200,000
USD
|
— |
| Current liabilities |
31,900,000
USD
|
1,451,500,000
USD
|
— |
| Assets less current liabilities [abstract] |