CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net sales	$ 1,563,391	$ 1,189,935	$ 863,381
Cost of sales	608,009	461,297	322,471
Gross margin	955,382	728,638	540,910
Operating expenses:
Sales, general and administrative	496,874	401,575	515,007
Research and development	303,719	233,810	194,026
Total operating expenses	800,593	635,385	709,033
Income (loss) from operations	154,789	93,253	(168,123)
Interest income, net	42,112	4,294	1,483
Other income (loss), net	(41,901)	98,971	25,265
Income (loss) before provision (benefit) for income taxes	155,000	196,518	(141,375)
Provision (benefit) for income taxes	(19,227)	49,379	(81,357)
Net income (loss)	$ 174,227	$ 147,139	$ (60,018)
Net income (loss) per share:
Basic (in dollars per share)	$ 2.35	$ 2.07	$ (0.91)
Diluted (in dollars per share)	$ 2.31	$ 2.03	$ (0.91)
Weighted average shares outstanding:
Basic (in shares)	74,195	71,093	66,191
Diluted (in shares)	75,456	72,534	66,191
Net income (loss)	$ 174,227	$ 147,139	$ (60,018)
Foreign currency translation adjustments	(4,352)	(4,818)	(1,251)
Unrealized gain (loss) on available-for-sale investments	852	(1,044)	(207)
Comprehensive income (loss)	170,727	141,277	(61,476)
Product
Net sales	967,711	801,388	608,525
Cost of sales	450,718	363,219	260,098
Service
Net sales	595,680	388,547	254,856
Cost of sales	$ 157,291	$ 98,078	$ 62,373