Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income (loss)	$ 1,090,748	$ (2,483)	$ 17,101
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	409,564	407,376	330,861
Amortization of intangible assets	90,813	88,071	66,241
Stock-based compensation expense	84,459	86,808	84,879
Loss on disposition of fixed assets	45,892	46,793	39,442
Gain on disposition of business prior to costs to sell	(1,702,686)
Deferred income taxes and other non-cash adjustments	380,672	(11,772)	7,773
Increase (decrease) in cash resulting from changes in operating assets and liabilities, net of effect of acquisitions:
Accounts receivable	(128,149)	(60,488)	84,411
Inventories	(73,135)	(2,300)	(42,460)
Other assets	1,125	26,854	36,431
Accounts payable	35,514	25,444	(24,363)
Accrued liabilities	184,257	(48,827)	154,898
Other liabilities	(51,213)	(49,835)	(27,999)
Net cash provided by (used in) operating activities	367,861	505,641	727,215
Cash flows from investing activities:
Purchase of property, equipment and satellites	(1,076,968)	(938,280)	(827,241)
Cash paid for patents, licenses and other assets	(87,349)	(52,030)	(58,030)
Proceeds from sale of business	1,932,354
Payments related to acquisition of businesses, net of cash acquired		(139,533)
Net cash provided by (used in) investing activities	768,037	(1,129,843)	(885,271)
Cash flows from financing activities:
Proceeds from debt borrowings	540,000	1,266,000	400,000
Payments on debt borrowings	(576,474)	(610,401)	(420,552)
Payment of debt issuance costs	(1,511)	(6,261)	(5,060)
Repurchase of shares by majority-owned subsidiary	(30,000)
Proceeds from issuance of common stock under equity plans	21,686	20,549	19,101
Purchase of common stock in treasury (immediately retired) related to tax withholdings for stock-based compensation	(16,493)	(22,969)	(13,676)
Proceeds from common stock issued in private placement, net of issuance costs			174,749
Other financing activities	(3,336)	(3,288)	(4,871)
Net cash provided by (used in) financing activities	(66,128)	643,630	149,691
Effect of exchange rate changes on cash	(843)	(4,918)	5
Net increase (decrease) in cash and cash equivalents and restricted cash	1,068,927	14,510	(8,360)
Cash and cash equivalents and restricted cash at beginning of fiscal year	310,459	295,949	304,309
Cash and cash equivalents and restricted cash at end of fiscal year	1,379,386	310,459	295,949
Supplemental information:
Cash paid for interest (net of amounts capitalized)	11,000	14,627	23,526
Cash paid for income taxes, net	16,491	17,144	6,670
Non-cash investing and financing activities:
Capital expenditures not paid for during the period	72,630	67,931	32,616
Issuance of common stock in satisfaction of certain accrued employee compensation liabilities	$ 27,619	24,488	$ 25,406
RigNet, Inc [Member]
Non-cash investing and financing activities:
Issuance of common stock in connection with acquisition		$ 207,169