TRANSITION PERIOD COMPARATIVE DATA - Schedule of Selected Interim Reporting Financial Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
9 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Mar. 31, 2022 |
Mar. 31, 2021 |
Mar. 31, 2020 |
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| Condensed income statement | ||||||||||
| Total revenues | $ 922,569 | $ 897,804 | $ 1,185,204 | $ 1,178,062 | ||||||
| Total costs and expenses | 888,492 | 867,891 | 1,158,795 | 1,181,925 | ||||||
| Loss on impairment | (5,187) | (24,835) | (24,835) | (91,260) | ||||||
| Gain (loss) on disposal of assets | (480) | 1,388 | 1,347 | (8,199) | ||||||
| Earnings (losses) from unconsolidated affiliates, net | 1,461 | (1,413) | (1,738) | 426 | ||||||
| Operating income (loss) | 29,871 | 5,053 | 1,183 | (102,896) | ||||||
| Total other income (expense), net | (8,792) | (8,357) | (5,602) | 46,256 | ||||||
| Income tax expense | (7,494) | (8,034) | (11,294) | 355 | ||||||
| Net loss (income) attributable to noncontrolling interests | (57) | (141) | (78) | 191 | ||||||
| Net income (loss) attributable to Bristow Group Inc. | $ 13,528 | $ (11,479) | $ (15,791) | $ (56,094) | ||||||
| Earnings (loss) per common share: | ||||||||||
| Basic (in dollars per share) | $ 0.48 | [1] | $ (0.40) | $ (0.55) | [1] | $ 3.12 | [1] | |||
| Diluted (in dollars per share) | $ 0.47 | [1] | $ (0.40) | $ (0.55) | [1] | $ 2.32 | [1] | |||
| Weighted average shares of common stock outstanding: | ||||||||||
| Basic (in shares) | 28,066 | [1] | 28,634 | 28,533 | [1] | 24,601 | [1] | |||
| Diluted (in shares) | 28,574 | 28,634 | 28,533 | [1] | 31,676 | [1] | ||||
| Condensed cash flows | ||||||||||
| Net cash provided by (used in) operating activities | $ (13,304) | $ 118,277 | $ 123,854 | $ 96,845 | ||||||
| Net cash used in investing activities | (44,142) | (9,528) | (17,370) | 173,274 | ||||||
| Net cash used in financing activities | (20,732) | (59,592) | (63,483) | (245,617) | ||||||
| Effect of exchange rate changes on cash, cash equivalents and restricted cash | (24,153) | (2,774) | (8,066) | 7,456 | ||||||
| Net increase (decrease) in cash, cash equivalents and restricted cash | (102,331) | 46,383 | 34,935 | 31,958 | ||||||
| Cash, cash equivalents and restricted cash at beginning of period | 266,014 | 231,079 | 231,079 | 199,121 | ||||||
| Cash, cash equivalents and restricted cash at end of period | 163,683 | 277,462 | 266,014 | 231,079 | ||||||
| Condensed balance sheets | ||||||||||
| Total assets | 1,812,001 | 1,864,789 | 1,824,279 | |||||||
| Total liabilities | 1,025,062 | 1,020,477 | 988,911 | |||||||
| Total stockholders’ equity | $ 786,939 | $ 844,312 | $ 835,368 | $ 897,071 | $ 426,216 | |||||
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. 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 The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- References No definition available.
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- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Includes earnings accounted for under the equity method and dividends accounted for under the cost method from unconsolidated affiliates. No definition available.
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- Definition The net result for the period of deducting operating expense from operating revenue and then adding (deducting) gain (loss) on disposal of assets and earnings (losses) from unconsolidated affiliates. No definition available.
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