Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flow from operating activities:
Net Income (Loss)	$ 382,215	$ 530,346
Adjustments to reconcile net earnings to cash provided by operations:
Depreciation	469,138	394,400
Amortization of premiums and accretion of discounts related to investments, net	7,073	8,441
Amortization of debt issuance costs	2,880	3,427
Interest credited to policyholders	37,584	36,329
Change in allowance for losses on trade receivables	1,811	578
Proceeds from Fees Received	5,297	7,979
Net gain on sale of real and personal property	(25,323)	(102,464)
Net losses on disposal of real estate	6,095	2,736
Net (gains) losses on sales of fixed maturity securities	(84)	(917)
Net gains on equity securities	(3,069)	(2,745)
Deferred income taxes	60,089	107,751
Net change in other operating assets and liabilities:
Reinsurance recoverables and trade receivables	(1,661)	(23,402)
Inventories and parts	(6,653)	(10,059)
Prepaid expenses	(33,317)	(21,824)
Capitalization of deferred policy acquisition costs	(105)	(7,098)
Other assets	(13,412)	(16,730)
Related party assets	(4,833)	(7,403)
Increase (Decrease) in Accounts Payable and Accrued Liabilities	103,331	23,248
Policy benefits and losses, claims and loss expenses payable	1,784	18,553
Other policyholders' funds and liabilities	10,025	554
Deferred income	2,818	4,115
Related party liabilities	6,045	828
Net cash provided by operating activities	984,278	937,431
Cash flow from investing activities:
Increase Decrease Escrow Deposits	4,808	573
Purchase of:
Property, plant and equipment	(1,927,002)	(1,664,387)
Fixed maturity investments	(227,330)	(151,680)
Equity securities	(610)	(309)
Investments, other	(62,859)	(98,239)
Proceeds from sales and paydowns of:
Property, plant and equipment	364,824	408,279
Fixed maturity investments	200,821	405,175
Equity securities	10,606	300
Investments, other	48,491	13,962
Net cash used by investing activities	(1,597,867)	(1,086,326)
Cash flow from financing activities:
Borrowings from credit facilities	972,428	704,960
Principal repayments on credit facilities	(443,431)	(351,893)
Payment of debt issuance costs	(3,922)	(4,018)
Finance lease payments	(39,259)	(59,752)
Securitization deposits	189	151
Series N Non-Voting Common Stock dividends paid	(17,647)	(14,118)
Investment contract deposits	226,771	132,630
Investment contract withdrawals	(184,544)	(174,256)
Net cash provided by financing activities	510,585	233,704
Effects of exchange rate on cash	4,099	202
Increase (decrease) in cash and cash equivalents	(98,905)	84,607
Cash and cash equivalents at the beginning of period	1,534,544	2,060,524
Cash and cash equivalents at the end of period	$ 1,435,639	$ 2,145,131