Revision of Prior Period Financial Statements - Statements of Operations and Comprehensive Income (Details) - USD ($) $ / shares in Units, $ 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
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales	$ 544,274	$ 503,236	$ 459,871	$ 430,376	$ 413,278			$ 963,107	$ 1,507,381	$ 1,130,323	$ 1,560,699	$ 1,187,143	$ 865,638
Cost of sales	213,527	197,080	201,243	166,384	156,622			398,323	611,850	438,862	605,246	461,030	319,916
Gross margin	330,747	306,156	258,628	263,992	256,656			564,784	895,531	691,461	955,453	726,113	545,722
Sales, general and administrative	192,189	170,964	151,075	137,273	122,357			322,039	514,228	357,611	494,884	399,330	514,845
Total operating expenses	306,666	272,398	242,172	221,245	199,237			514,570	821,236	577,358	798,603	633,140	708,871
Income from operations	24,081	33,758	16,456	42,747	57,419			50,214	74,295	114,103	156,850	92,973	(163,149)
Income before provision for income taxes	79,569	51,474	165,896	55,740	71,729			217,370	296,939	101,321	157,061	196,238	(136,401)
Provision for (benefit from) income taxes	12,544	10,001	32,544	(1,321)	10,420			42,545	55,089	(17,401)	(18,722)	49,308	(80,062)
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)
Net income per common and common equivalent - Basic (in dollars per share)	$ 0.89	$ 0.55			$ 0.82			$ 2.32	$ 3.20	$ 1.61	$ 2.37		$ (0.85)
Net income per common and common equivalent - Diluted (in dollars per share)	$ 0.86				$ 0.81			$ 2.26	$ 3.12	$ 1.58	$ 2.33
Comprehensive income	$ 72,099	$ 38,865	132,445	59,251	$ 55,166			$ 171,310	$ 243,409	$ 113,032	$ 172,283	141,068
As Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales		504,099	460,736	432,142	413,601			964,835		1,131,249	1,563,391	1,189,935	$ 863,381
Cost of sales		200,364	200,690	168,255	158,329			401,054		439,754	608,009	461,297	322,471
Gross margin		303,735	260,046	263,887	255,272			563,781		691,495	955,382	728,638	540,910
Sales, general and administrative		169,427	152,669	137,106	123,279			322,096		359,768	496,874	401,575	515,007
Total operating expenses		270,861	243,766	221,078	200,159			514,627		579,515	800,593	635,385	709,033
Income from operations		32,874	16,280	42,809	55,113			49,154		111,980	154,789	93,253	(168,123)
Income before provision for income taxes		50,590	165,720	55,802	69,423			216,310		99,198	155,000	196,518	(141,375)
Provision for (benefit from) income taxes		9,793	32,502	(1,469)	10,026			42,295		(17,758)	(19,227)	49,379	(81,357)
Net income		$ 40,797	133,218	57,271	$ 59,397	12,420	45,139	$ 174,015		$ 116,956	$ 174,227	147,139	$ (60,018)
Net income per common and common equivalent - Basic (in dollars per share)		$ 0.54			$ 0.79			$ 2.31		$ 1.58	$ 2.35		$ (0.91)
Net income per common and common equivalent - Diluted (in dollars per share)					$ 0.78			$ 2.25		$ 1.56	$ 2.31
Comprehensive income		$ 38,189	132,311	59,461	$ 53,254			$ 170,500		$ 111,266	$ 170,727	141,277
Revision
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales		(863)	(865)	(1,766)	(323)			(1,728)		(926)	(2,692)	(2,792)	$ 2,257
Cost of sales		(3,284)	553	(1,871)	(1,707)			(2,731)		(892)	(2,763)	(267)	(2,555)
Gross margin		2,421	(1,418)	105	1,384			1,003		(34)	71	(2,525)	4,812
Sales, general and administrative		1,537	(1,594)	167	(922)			(57)		(2,157)	(1,990)	(2,245)	(162)
Total operating expenses		1,537	(1,594)	167	(922)			(57)		(2,157)	(1,990)	(2,245)	(162)
Income from operations		884	176	(62)	2,306			1,060		2,123	2,061	(280)	4,974
Income before provision for income taxes		884	176	(62)	2,306			1,060		2,123	2,061	(280)	4,974
Provision for (benefit from) income taxes		208	42	148	394			250		357	505	(71)	1,295
Net income		$ 676	134	(210)	$ 1,912	$ (906)	$ 760	$ 810		$ 1,766	$ 1,556	(209)	$ 3,679
Net income per common and common equivalent - Basic (in dollars per share)		$ 0.01			$ 0.03			$ 0.01		$ 0.03	$ 0.02		$ 0.06
Net income per common and common equivalent - Diluted (in dollars per share)					$ 0.03			$ 0.01		$ 0.02	$ 0.02
Comprehensive income		$ 676	134	(210)	$ 1,912			$ 810		$ 1,766	$ 1,556	(209)
Products
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales	327,900	292,763	270,424	256,439	255,055			563,187	891,087	707,563	964,002	797,177	$ 606,896
Cost of sales	156,167	142,627	152,160	123,900	114,613			294,787	450,954	323,808	447,708	360,909	$ 257,646
Net income per common and common equivalent - Diluted (in dollars per share)													$ (0.85)
Products | As Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales		295,185	272,048	258,405	256,443			567,233		709,306	967,711	801,388	$ 608,525
Cost of sales		145,154	151,698	125,664	116,278			296,852		325,054	450,718	363,219	$ 260,098
Net income per common and common equivalent - Diluted (in dollars per share)													$ (0.91)
Products | Revision
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales		(2,422)	(1,624)	(1,966)	(1,388)			(4,046)		(1,743)	(3,709)	(4,211)	$ (1,629)
Cost of sales		(2,527)	462	(1,764)	(1,665)			(2,065)		(1,246)	(3,010)	(2,310)	$ (2,452)
Net income per common and common equivalent - Diluted (in dollars per share)													$ 0.06
Services
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales	216,374	210,473	189,447	173,937	158,223			399,920	616,294	422,760	596,697	389,966	$ 258,742
Cost of sales	$ 57,360	54,453	49,083	42,484	42,009			103,536	$ 160,896	115,054	157,538	100,121	62,270
Comprehensive income													(57,797)
Services | As Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales		208,914	188,688	173,737	157,158			397,602		421,943	595,680	388,547	254,856
Cost of sales		55,210	48,992	42,591	42,051			104,202		114,700	157,291	98,078	62,373
Comprehensive income													(61,476)
Services | Revision
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net sales		1,559	759	200	1,065			2,318		817	1,017	1,419	3,886
Cost of sales		$ (757)	$ 91	$ (107)	$ (42)			$ (666)		$ 354	$ 247	$ 2,043	(103)
Comprehensive income													$ 3,679