Leases (Maturities Of Lease Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Mar. 31, 2023
Finance Lease Liabilities Payments Due [Abstract]
2024 (3 months)		$ 20,502
2025	$ 76,714
2026	46,107
2027		0
2028		0
Thereafter		0
Total lease payments		143,323
Less: imputed interest		(6,284)
Financing lease liability	137,039
Operating Lease Liabilities Payments Due [Abstract]
2024 (3 months)	27,168	6,880
2025	15,040	16,232
2026	12,112	9,527
2027	8,653	7,455
2028	5,666	6,501
Thereafter	33,059	66,126
Total lease payments		112,721
Less: imputed interest		(48,179)
Operating lease liability	$ 64,542	$ 58,373