Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities:
Net income (loss)	$ (99,551)	$ (143,483)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	510,371	522,601
Amortization of intangible assets	157,578	163,269
Stock-based compensation expense	34,829	41,965
Loss (gain) on extinguishment of debt, net	288	3,200
Deferred income taxes and other non-cash adjustments	(67,461)	20,166
Loss on disposition of fixed assets	15,561	40,914
Increase (decrease) in cash resulting from changes in operating assets and liabilities:
Accounts receivable	14,350	(46,934)
Inventories	18,050	(8,688)
Other assets	56,268	(88,851)
Accounts payable	36,754	(6,012)
Accrued liabilities	(75,989)	(33,314)
Other liabilities	(60,346)	(74,548)
Net cash provided by (used in) operating activities	540,702	390,285
Cash flows from investing activities:
Purchase of property, equipment and satellites, and other assets	(411,712)	(529,827)
Proceeds from insurance claims on satellites	10,000	197,500
Other investing activities	12,063	0
Net cash provided by (used in) investing activities	(389,649)	(332,327)
Cash flows from financing activities:
Payments on debt borrowings	(473,186)	(383,528)
Proceeds from debt borrowings	0	1,975,000
Payments of debt issuance costs	0	(28,116)
Distributions to minority shareholders	(59,695)	0
Purchase of common stock in treasury (immediately retired) related to tax withholdings for stock-based compensation	(6,624)	(2,395)
Proceeds from issuance of common stock under equity plans	7,805	9,657
Other financing activities	(2,044)	(1,612)
Net cash provided by (used in) financing activities	(533,744)	1,569,006
Effect of exchange rate changes on cash and cash equivalents	660	1,773
Net increase (decrease) in cash and cash equivalents	(382,031)	1,628,737
Cash and cash equivalents at beginning of period	1,612,105	1,901,033
Cash and cash equivalents at end of period	1,230,074	3,529,770
Non-cash investing and financing activities:
Capital expenditures not paid for during the period	40,570	0
Right-of-use assets obtained in exchange for operating lease liabilities	37,223	50,885
Issuance of common stock in satisfaction of certain accrued employee compensation liabilities	27,784	28,063
Debt issuance costs not paid for	$ 0	$ 7,458