Annual report pursuant to Section 13 and 15(d)

LEASES - Operating Lease Maturity Table (Details)

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LEASES - Operating Lease Maturity Table (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Mar. 31, 2020
Operating Leased Assets [Line Items]    
Year one $ 90,084 $ 97,416
Year two 68,421 83,664
Year three 55,310 65,051
Year four 35,997 52,091
Year five 8,814 33,375
Thereafter 21,055 18,552
Operating lease liability payments due 279,681 350,149
Aircraft    
Operating Leased Assets [Line Items]    
Year one 77,354 89,736
Year two 57,646 77,229
Year three 45,362 58,583
Year four 28,370 46,005
Year five 2,170 28,370
Thereafter 0 2,170
Operating lease liability payments due 210,902 302,093
Other    
Operating Leased Assets [Line Items]    
Year one 12,730 7,680
Year two 10,775 6,435
Year three 9,948 6,468
Year four 7,627 6,086
Year five 6,644 5,005
Thereafter 21,055 16,382
Operating lease liability payments due $ 68,779 $ 48,056