Leases (Maturities Of Lease Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Mar. 31, 2023
Finance Lease Liabilities Payments Due [Abstract]
2022	$ 85,789
2023	61,189
2024	24,371
2025	0
2026	0
Thereafter	0
Total lease payments	171,349
Less: imputed interest	(7,896)
Financing lease liability	163,453
Operating Lease Liabilities Payments Due [Abstract]
2022	22,913
2023	10,059
2024	6,879
2025	6,265
2026	5,708
Thereafter	60,853
Total lease payments	112,677
Less: inputed interest	(48,097)
Operating lease liability	$ 64,580	$ 58,373