Annual report pursuant to Section 13 and 15(d)

DEFINED CONTRIBUTION AND PENSION PLANS - Actuarial Assumptions (Details)

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DEFINED CONTRIBUTION AND PENSION PLANS - Actuarial Assumptions (Details)
Mar. 31, 2022
Mar. 31, 2021
Defined Benefit Plan, Plan Assets, Allocation [Line Items]    
Target allocation 100.00% 100.00%
Actual allocation 100.00% 100.00%
Equity securities    
Defined Benefit Plan, Plan Assets, Allocation [Line Items]    
Target allocation 14.00% 14.10%
Actual allocation 16.40% 15.10%
Debt securities    
Defined Benefit Plan, Plan Assets, Allocation [Line Items]    
Target allocation 19.00% 19.00%
Actual allocation 19.80% 16.40%
Property    
Defined Benefit Plan, Plan Assets, Allocation [Line Items]    
Target allocation 6.70% 6.70%
Actual allocation 5.80% 6.40%
Other assets    
Defined Benefit Plan, Plan Assets, Allocation [Line Items]    
Target allocation 60.30% 60.20%
Actual allocation 58.00% 62.10%