Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Cash flows from operating activities:
Net income (loss)	$ (62,055)	$ (290,390)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	771,528	779,675
Amortization of intangible assets	236,276	243,950
Stock-based compensation expense	58,928	63,468
Loss (gain) on extinguishment of debt, net	11,935	99,814
Deferred income taxes and other non-cash adjustments	(15,121)	(88,707)
Loss on disposition of fixed assets	18,714	52,934
Increase (decrease) in cash resulting from changes in operating assets and liabilities:
Accounts receivable	(54,089)	(11,158)
Inventories	11,185	(2,345)
Other assets	51,482	2,027
Accounts payable	13,966	(6,889)
Accrued liabilities	7,373	(67,269)
Other liabilities	217,468	(165,366)
Net cash provided by (used in) operating activities	1,267,590	609,744
Cash flows from investing activities:
Purchase of property, equipment and satellites, and other assets	(694,433)	(782,459)
Proceeds from insurance claims on satellites	10,000	240,000
Other investing activities	20,770	17,577
Net cash provided by (used in) investing activities	(663,663)	(524,882)
Cash flows from financing activities:
Payments on debt borrowings	(798,443)	(2,376,734)
Proceeds from debt borrowings	0	1,975,000
Payments of debt issuance costs	0	(36,284)
Distributions to minority shareholders	(59,695)	0
Purchase of common stock in treasury (immediately retired) related to tax withholdings for stock-based compensation	(15,147)	(5,208)
Proceeds from issuance of common stock under equity plans	8,554	9,657
Other financing activities	(2,773)	(2,319)
Net cash provided by (used in) financing activities	(867,504)	(435,888)
Effect of exchange rate changes on cash and cash equivalents	(2,392)	6,482
Net increase (decrease) in cash and cash equivalents	(265,969)	(344,544)
Cash and cash equivalents at beginning of period	1,612,105	1,901,033
Cash and cash equivalents at end of period	1,346,136	1,556,489
Non-cash investing and financing activities:
Capital expenditures not paid for during the period	75,488	0
Right-of-use assets obtained in exchange for finance lease liabilities	1,150	145,625
Right-of-use assets obtained in exchange for operating lease liabilities	58,743	76,423
Issuance of common stock in satisfaction of certain accrued employee compensation liabilities	$ 27,784	$ 28,063