Acquisition - Additional Information (Detail) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
	May 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Business Acquisition [Line Items]
Total revenues		$ 1,126,460	$ 779,791
Net Income (Loss)		(32,912)	(77,004)
Inmarsat Holdings [Member]
Business Acquisition [Line Items]
The consideration transferred	$ 2,700,000
Payments to acquire business	550,700
Issuance of common stock in connection with acquisition	$ 2,100,000
Shares issued in connection with acquisition of business, net of issuance costs, shares	46,360
Unfavorable contract liabilities included in current liabilities		29,600
Unfavorable contract liabilities included in other long term liabilities		$ 248,300
Unfavorable contract liabilities weighted average estimated useful life		9 years
Total revenues			134,100
Inmarsat Holdings [Member] | Selling General and Administrative Expenses [Member]
Business Acquisition [Line Items]
Acquisition-related transaction costs		$ 0	$ 27,400
Communication Services [Member] | Inmarsat Holdings [Member]
Business Acquisition [Line Items]
Recognition of goodwill	$ 1,500,000