Revision of Prior Period Financial Statements - Cash Flow Statement (Details) - USD ($) $ in Thousands	3 Months Ended							6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 67,025	$ 41,473	$ 133,352	$ 57,061	$ 61,309	$ 11,514	$ 45,899	$ 174,825	$ 241,850	$ 118,722	$ 175,783	$ 146,930	$ (56,339)
Deferred income taxes									(27,061)	(52,955)	(72,497)	22,019
Provision for bad debts and inventory			1,580					11,084	13,824	5,083	5,484	701
Change in assets and liabilities:
Receivables and contract assets			(56,737)					(77,092)	(226,759)	(186,614)	(178,989)	(78,226)
Inventory			(2,074)					(16,959)	(11,629)	(65,096)	(77,626)	(95,011)
Deferred revenue			19,121					(8,499)	56,720	103,386	146,819	155,566
Accounts payable, accrued and other liabilities			(85,840)					(43,532)	10,243	13,367	65,329	80,978
Other, net			8,646					8,410	$ (2,528)	(46,284)	(80,351)	(43,976)
As Reported
Cash flows from operating activities:
Net income		40,797	133,218	57,271	59,397	12,420	45,139	174,015		116,956	174,227	147,139	(60,018)
Deferred income taxes										(53,311)	(73,002)	22,090
Provision for bad debts and inventory			216					2,241		887	1,090	699
Change in assets and liabilities:
Receivables and contract assets			(51,132)					(60,513)		(182,468)	(172,524)	(73,228)
Inventory			(710)					(8,116)		(59,564)	(71,896)	(95,987)
Deferred revenue			20,743					(12,067)		118,294	164,043	159,718
Accounts payable, accrued and other liabilities			(84,289)					(43,071)		13,423	64,384	80,757
Other, net			2					(4,252)		(64,608)	(102,370)	(52,207)
Revision
Cash flows from operating activities:
Net income		$ 676	134	$ (210)	$ 1,912	$ (906)	$ 760	810		1,766	1,556	(209)	$ 3,679
Deferred income taxes										356	505	(71)
Provision for bad debts and inventory			1,364					8,843		4,196	4,394	2
Change in assets and liabilities:
Receivables and contract assets			(5,605)					(16,579)		(4,146)	(6,465)	(4,998)
Inventory			(1,364)					(8,843)		(5,532)	(5,730)	976
Deferred revenue			(1,622)					3,568		(14,908)	(17,224)	(4,152)
Accounts payable, accrued and other liabilities			(1,551)					(461)		(56)	945	221
Other, net			$ 8,644					$ 12,662		$ 18,324	$ 22,019	$ 8,231