Borrowings (Table Text Block)	3 Months Ended
	Jun. 30, 2023
Debt Instruments [Abstract]
Long-Term Debt	Fiscal Year 2024             Weighted Avg     June 30,   March 31,   Interest Rates     Maturities   Interest Rates (b)     2023   2023                         (Unaudited)                             (In thousands) Real estate loans (amortizing term) (a) 4.30 % - 6.64 %   2027 - 2037   5.78 %   $ 286,677 $   289,647 Senior mortgages 2.70 % - 5.50 %   2024 - 2042   4.14 %     2,457,739   2,371,231 Real estate loans (revolving credit) - % - - %   - - 2027   – %     –   – Fleet loans (amortizing term) 1.61 % - 5.68 %   2023 - 2029   3.73 %     100,225   111,856 Fleet loans (revolving credit) 2.36 % - 6.50 %   2026 - 2028   5.72 %     590,000   615,000 Finance leases (rental equipment) 2.37 % - 5.01 %   2023 - 2026   3.92 %     189,037   223,205 Finance liabilities (rental equipment) 1.60 % - 6.13 %   2024 - 2031   4.12 %     1,425,854   1,255,763 Private placements 2.43 % - 2.88 %   2029 - 2035   2.65 %     1,200,000   1,200,000 Other obligations 1.50 % - 8.00 %   2023 - 2049   6.06 %     74,250   76,648 Notes, loans and finance leases payable                           6,323,782   6,143,350 Less: Debt issuance costs                             (36,551)   (35,308) Total notes, loans and finance leases payable, net                 $ 6,287,231 $   6,108,042       (a) Certain loans have interest rate swaps fixing the rate for the relevant loans between 2.72% and 2.86% based on current margin. The weighted average interest rate calculation for these loans was 4.08% using the swap adjusted interest rate.     (b) Weighted average rates as of June 30, 2023
Annual Maturities of Notes, Loans and Leases Payable	Years Ending June 30,         2024   2025   2026   2027   2028   Thereafter   Total     (Unaudited)     (In thousands) Notes, loans and finance leases payable$ 635,909 $ 474,221 $ 762,745 $ 766,958 $ 833,278 $ 2,850,671 $ 6,323,782
Components of interest expense	Quarter Ended June 30,     2023   2022     (Unaudited)     (In thousands) Interest expense $ 64,400 $ 50,405 Capitalized interest   (4,063)   (2,618) Amortization of transaction costs   1,411   1,446 Interest expense resulting from cash flow hedges   (1,150)   566 Total interest expense$ 60,598 $ 49,799
Interest rates and company borrowings	Revolving Credit Activity       Quarter Ended June 30,       2023   2022       (Unaudited)       (In thousands, except interest rates)   Weighted average interest rate during the quarter   6.26 % 1.99 % Interest rate at the end of the quarter   6.41 % 2.29 % Maximum amount outstanding during the quarter $ 715,000 $ 1,095,000   Average amount outstanding during the quarter $ 660,330 $ 1,095,000   Facility fees$ 265 $ 58