Annual report pursuant to Section 13 and 15(d)

DEFINED CONTRIBUTION AND PENSION PLANS - Narrative (Details)

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DEFINED CONTRIBUTION AND PENSION PLANS - Narrative (Details) - USD ($)
5 Months Ended 7 Months Ended 12 Months Ended
Mar. 31, 2020
Oct. 31, 2019
Mar. 31, 2022
Mar. 31, 2021
Retirement Benefits [Abstract]        
Match, percent of employee's compensation     3.00%  
Contribution, percent of employee compensation     3.00%  
Contributions to defined contribution plans $ 8,500,000 $ 13,600,000 $ 21,400,000 $ 21,900,000
Defined benefit plan, assumptions, term of salaries average     3 years  
Defined benefit plan, assumptions, average salaries annual increase     5.00%  
Expected amortization of net actuarial losses next fiscal year     $ 0  
Estimated cash contributions, next fiscal year     $ 16,900,000