Basis of Presentation - Additional Information (Detail 2) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended	10 Months Ended
	Aug. 09, 2024	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Jun. 30, 2024	Mar. 31, 2024
Company And Summary Of Significant Accounting Policies [Line Items]
Insurance recovery proceeds		$ 79,500
Capitalized costs, net, related to software developed for resale		742,700			$ 742,700	$ 723,900
Capitalized cost related to software development for resale		18,800	$ 16,000
Amortization expense of capitalized software development costs		14,300	$ 14,400
Capitalized Computer Software, Accumulated Amortization		497,600			497,600	483,300
Gross capitalized implementation costs incurred in cloud computing arrangements		69,300			69,300	63,600
Accumulated amortization related to capitalized implementation costs incurred in cloud computing arrangements		11,200			$ 11,200	$ 9,500
Amortization of capitalized implementation costs incurred in cloud computing arrangements		$ 1,500
Maximum [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life, years		20 years			20 years
Computer Software, Intangible Asset [Member] | Maximum [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life, years		5 years			5 years
Funded Research and Development from Customer Contracts [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Percentage of revenue		12.00%	15.00%
Fixed-price Contract [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Percentage of revenue		96.00%	93.00%
U.S. Government as an Individual Customer [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Percentage of revenue		16.00%	17.00%
Satellites [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Insurance recovery proceeds		$ 79,500			$ 626,000
Satellites [Member] | Subsequent Event [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Insurance recovery proceeds	$ 38,000
Defense and Advanced Technologies [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Increase (decrease) in unbilled accounts receivable		$ 17,600
Communication Services [Member] | Satellites [Member] | Selling, General and Administrative Expenses [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Satellite impairment loss, net, including liabilities associated with the termination of certain subcontractor agreements				$ 905,500