Quarterly report pursuant to Section 13 or 15(d)

VARIABLE INTEREST ENTITIES AND OTHER INVESTMENTS IN SIGNIFICANT AFFILIATES - VIE Narrative (Details)

v3.20.2
VARIABLE INTEREST ENTITIES AND OTHER INVESTMENTS IN SIGNIFICANT AFFILIATES - VIE Narrative (Details)
6 Months Ended
Sep. 30, 2020
affiliate
Variable Interest Entity [Line Items]  
Number of variable interest entities 5
Bristow Aviation Holdings Limited | VIE, primary beneficiary  
Variable Interest Entity [Line Items]  
Ownership percentage in Variable Interest Entity 49.00%
Bristow Helicopters Nigeria Ltd | VIE, primary beneficiary  
Variable Interest Entity [Line Items]  
Ownership percentage in Variable Interest Entity 48.00%
Pan African Airlines Nigeria Ltd | VIE, primary beneficiary  
Variable Interest Entity [Line Items]  
Ownership percentage in Variable Interest Entity 50.17%
U.K. Bristow Employees | Impigra Aviation Holdings Limited  
Variable Interest Entity [Line Items]  
Ownership percentage in Variable Interest Entity 100.00%
Impigra Aviation Holdings Limited | Bristow Aviation Holdings Limited  
Variable Interest Entity [Line Items]  
Ownership percentage in Variable Interest Entity 51.00%
Nigerian Company | Bristow Helicopters Nigeria Ltd  
Variable Interest Entity [Line Items]  
Ownership percentage in Variable Interest Entity 50.00%
Nigerian Employees | Nigerian Company  
Variable Interest Entity [Line Items]  
Noncontrolling ownership percentage 100.00%
Employee Trust Fund | Bristow Helicopters Nigeria Ltd  
Variable Interest Entity [Line Items]  
Ownership percentage in Variable Interest Entity 2.00%