Current report filing

OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Loss on Sale of Subsidiaries (Details)

v3.20.1
OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Loss on Sale of Subsidiaries (Details)
$ in Thousands, £ in Millions
 1 Months Ended 5 Months Ended 7 Months Ended 12 Months Ended
Aug. 31, 2019
USD ($)
Mar. 31, 2020
USD ($)
Oct. 31, 2019
USD ($)
Mar. 31, 2020
GBP (£)
Mar. 31, 2019
USD ($)
Mar. 31, 2019
Mar. 31, 2019
Affiliates
Mar. 31, 2019
Company
Mar. 31, 2018
USD ($)
Dec. 31, 2019
Jun. 30, 2019
Gain (loss) on sale of subsidiaries   $ 0 $ (55,883)   $ 0       $ 0    
Eastern Airways International Limited                      
Gain (loss) on sale of subsidiaries     (46,852)                
Write off of net assets     35,000                
Write off of cumulative translation adjustment     11,900                
Aviashelf and Bristow Helicopters Leasing Limited                      
Gain (loss) on sale of subsidiaries     (9,031)                
Write off of net assets     1,800                
Write off of cumulative translation adjustment     $ 7,200                
Eastern Airways                      
Consideration paid | £       £ 17.1              
Purchase covenants, non solicitation of key employees period       12 months              
Purchase covenants, right to appoint observer to board of directors period       12 months              
Purchase covenants, transition services coverage period       12 months              
Aviashelf Aviation Co.                      
Ownership percentage by parent         48.50% 48.50% 48.50% 48.50%   48.50% 48.50%
Proceeds from sale of business $ 400       $ 2,600            
Number of joint ventures             2 2      
Option to acquire additional interest in affiliate 8.50%         8.50%          
Bristow Helicopter Leasing                      
Ownership percentage by parent         60.00% 60.00% 60.00% 60.00%   60.00%  
Proceeds from sale of business         $ 1,400            
Columbia Helicopters                      
Termination fee         $ 20,000