Notes, Loans and Finance Leases Payable, net (Long-term Debt Borrowings) (Parenthetical) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024
Debt instrument, maturities:
Debt Instrument Carrying Amount	$ 5,888,119	$ 5,850,346
Real estate loan (amortizing term) [Member]
Debt instruments, interest rate, effective percentage:
Weighted average interest rate	5.89%
Debt instrument, maturities:
Debt Instrument Carrying Amount	$ 274,797	$ 277,767
Real estate loan (amortizing term) [Member] | Interest Rate Swaps [Member]
Debt instruments, interest rate, effective percentage:
Weighted average interest rate	4.10%	4.10%
Real estate loan (amortizing term) [Member] | Minimum [Member] | Interest Rate Swaps [Member]
Debt instruments, interest rate, effective percentage:
Interest rate	2.72%	2.72%
Real estate loan (amortizing term) [Member] | Maximum [Member] | Interest Rate Swaps [Member]
Debt instruments, interest rate, effective percentage:
Interest rate	2.86%	2.86%
Fleet Loans Revolving Credit [Member]
Debt instruments, interest rate, effective percentage:
Interest rate		4.71%
Weighted average interest rate	6.62%	6.51%
Debt instrument, maturities:
Debt Instrument Carrying Amount	$ 585,000	$ 573,889
Fleet Loans Revolving Credit [Member] | Interest Rate Swaps [Member]
Debt instruments, interest rate, effective percentage:
Interest rate	4.71%
Weighted average interest rate	6.51%
Debt instrument, maturities:
Debt Instrument Carrying Amount	$ 100,000	$ 100,000