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v3.22.1

Jack-up rigs - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2020 | Jan. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Property, Plant and Equipment [Line Items] |  |  |  |  |
Depreciation |  |  | $ 2.0 | $ 1.9 | $ 1.7
Transferred to Jack-Up Rigs |  |  | 0.0 | 312.7 |
Transfers from newbuildings, installment payments |  |  |  | 297.0 |
Transfers to newbuildings, capitalized costs |  |  |  | 15.7 |
Loss on sale of drilling rig |  |  | (4.8) | (19.0) | (6.4)
Impairment of non-current assets |  |  | 0.0 | 77.1 | 11.4
Atla |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Impairment of non-current assets |  |  | 0.0 | 30.9 | 0.0
Balder |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Impairment of non-current assets |  |  |  | 0.8 |
MSS1 |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Impairment of non-current assets |  |  | 0.0 | 18.4 | 0.0
Eir |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Impairment of non-current assets |  |  | 0.0 | 0.0 | $ 11.4
Heimdal |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Transferred to Jack-Up Rigs |  | $ 156.9 |  | 156.9 |
Hild |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Transferred to Jack-Up Rigs | $ 155.8 |  |  | 155.8 |
Balder |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Loss on sale of drilling rig |  |  | $ 0.1 |  |
Impairment of non-current assets |  |  |  | $ 27.0 |

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