CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands |
1 Months Ended | 2 Months Ended | 3 Months Ended | 7 Months Ended | 9 Months Ended |
|---|---|---|---|---|---|
Oct. 31, 2019 |
Dec. 31, 2019 |
Dec. 31, 2020 |
Oct. 31, 2019 |
Dec. 31, 2020 |
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| Statement of Comprehensive Income [Abstract] | |||||
| Net loss | $ (504,199) | $ (152,543) | $ (57,260) | $ (836,206) | $ (13,849) |
| Other comprehensive income (loss): | |||||
| Currency translation adjustments | 18,387 | 8,253 | 27,713 | 22,952 | 46,199 |
| Unrealized loss on cash flow hedges, net of tax benefit | (2,280) | (902) | (1,232) | (682) | (3,396) |
| Total comprehensive income (loss) | (488,092) | (145,192) | (30,779) | (813,936) | 28,954 |
| Net (income) loss attributable to noncontrolling interests | 5 | 31 | 139 | (208) | 343 |
| Currency translation adjustments attributable to noncontrolling interests | 28 | (2) | (8) | 52 | (9) |
| Total comprehensive (income) loss attributable to noncontrolling interests | 33 | 29 | 131 | (156) | 334 |
| Total comprehensive income (loss) attributable to Bristow Group Inc. | $ (488,059) | $ (145,163) | $ (30,648) | $ (814,092) | $ 29,288 |
| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to noncontrolling interests. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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