Annual report [Section 13 and 15(d), not S-K Item 405]

TRANSITION PERIOD COMPARATIVE DATA - Schedule of Selected Interim Reporting Financial Information (Details)

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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, 2024
Dec. 31, 2023
Dec. 31, 2022
Mar. 31, 2022
Condensed income statement          
Revenues from related parties $ 922,569 $ 1,415,491 $ 1,297,429 $ 1,209,968  
Total costs and expenses 888,492 1,285,955 1,244,955 1,179,397  
Loss on impairment (5,187) 0 0 (5,187)  
Gains (losses) on disposal of assets (480) (1,045) 1,112 (521)  
Earnings from unconsolidated affiliates 1,461 4,117 7,165 1,136  
Operating income 29,871 132,608 60,751 25,999  
Total other income (expense), net (8,792) (30,545) (42,739) (6,036)  
Income tax expense (7,494) (7,193) (24,932) (10,754)  
Net loss (income) attributable to noncontrolling interests (57) (73) 140 6  
Net income (loss) attributable to Bristow Group Inc. $ 13,528 $ 94,797 $ (6,780) $ 9,215  
Earnings (losses) per common share:          
Basic (in dollars per share) $ 0.48 $ 3.32 $ (0.24) $ 0.33  
Diluted (in dollars per share) $ 0.47 $ 3.21 $ (0.24) $ 0.32  
Weighted average shares of common stock outstanding:          
Basic (in shares) 28,066 28,515 28,139 28,104  
Diluted (in shares) 28,574 29,552 28,139 28,406  
Condensed cash flows          
Net cash provided by (used in) operating activities $ (13,304) $ 177,420 $ 32,037 $ (7,727)  
Net cash used in investing activities (44,142) (245,954) (47,319) (51,984)  
Net cash provided by (used in) financing activities (20,732) 141,104 22,035 (24,623)  
Effect of exchange rate changes on cash, cash equivalents and restricted cash (24,153) (4,951) 13,226 (29,445)  
Net increase (decrease) in cash, cash equivalents and restricted cash (102,331) 67,619 19,979 (113,779)  
Cash, cash equivalents and restricted cash at beginning of period 266,014 183,662 163,683 277,462  
Cash, cash equivalents and restricted cash at end of period 163,683 251,281 183,662 163,683  
Condensed balance sheets          
Total assets 1,812,001 2,125,246 1,937,278 1,812,001  
Total liabilities 1,025,062 1,233,974 1,114,099 1,025,062  
Total stockholders’ equity $ 786,939 $ 891,272 $ 823,179 $ 786,939 $ 835,368