Leases (Maturities Of Lease Liabilities) (Details) $ in Thousands	Mar. 31, 2021 USD ($)
Finance Lease Liabilities Payments Due [Abstract]
2022	$ 179,470
2023	134,783
2024	112,732
2025	78,910
2026	47,453
Thereafter	7
Total lease payments	553,355
Less: imputed interest	(39,732)
Finance Lease Liability	513,623
Operating Lease Liabilities Payments Due [Abstract]
2022	24,288
2023	22,239
2024	21,257
2025	10,151
2026	4,006
Thereafter	62,175
Total lease payments	144,116
Less: imputed interest	(51,606)
Operating Lease Liability	$ 92,510