Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS??? EQUITY, PREFERRED STOCK AND ACCUMULATED OTHER COMPREHENSIVE INCOME - Narrative (Details)

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STOCKHOLDERS’ EQUITY, PREFERRED STOCK AND ACCUMULATED OTHER COMPREHENSIVE INCOME - Narrative (Details) - USD ($)
 12 Months Ended
Jun. 11, 2020
Mar. 31, 2022
Mar. 31, 2021
Sep. 16, 2020
Jun. 10, 2020
Oct. 31, 2019
Class of Stock [Line Items]            
Common stock, shares outstanding (in shares)   28,287,000 29,694,000   11,092,845  
Mezzanine equity, initial fair value           $ 618,900,000
Derivative liability           470,300,000
Mezzanine equity, fair value           148,600,000
Common stock   $ 303,000 $ 303,000      
Preferred stock, shares issued (in shares)         6,725,798  
Common stock, shares issued (in shares) 30,882,471       11,092,845  
Preferred stock, shares outstanding (in shares)         6,725,798  
Conversion rate of stock (in shares) 5.179562          
Stock repurchase program, authorized amount   $ 75,000,000   $ 75,000,000    
Stock repurchased (in shares)   1,480,804 448,252      
Stock repurchased during period   $ 40,000,000 $ 10,000,000      
Stock repurchased during period (in dollars per share)   $ 27.02 $ 22.29      
Stock repurchase program, remaining authorized repurchase amount   $ 25,000,000        
Restricted Stock Awards            
Class of Stock [Line Items]            
Shares canceled (in shares) 217,899          
Shares vested, accelerated (in shares) 145,604          
Stock options            
Class of Stock [Line Items]            
Options canceled (in shares) 145,263 16,246        
Legacy Bristow stockholders            
Class of Stock [Line Items]            
Common stock, shares issued (in shares) 24,195,693          
Carrying amount            
Class of Stock [Line Items]            
Derivative liability           270,800,000
Common stock           $ 270,700,000