Leases (Maturities of lease liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Mar. 31, 2022
Finance Lease Liabilities Payments Due [Abstract]
2023	$ 121,093
2024	85,188
2025	48,126
2026	12,114
2027	0
Thereafter	0
Total lease payments	266,521
Less: imputed interest	(14,419)
Financing lease liability	252,102
Operating Lease Liabilities Payments Due [Abstract]
2023	24,511
2024	15,398
2025	5,710
2026	3,579
2027	3,018
Thereafter	57,288
Total lease payments	109,504
Less: inputed interest	(46,102)
Operating lease liability	$ 63,402	$ 74,197