CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
REVENUES:
Total revenues	$ 390,657	$ 399,131	$ 697,167	$ 749,503
EXPENSES:
Cost of goods manufactured and sold (exclusive of amortization of acquired intangible assets shown below)	49,460	61,472	98,657	120,116
Research and development	77,370	59,649	149,187	127,260
Selling, general and administrative	170,849	168,113	342,553	347,862
Amortization of acquired intangible assets	0	14	0	1,073
Total expenses	297,679	289,248	590,397	596,311
OPERATING INCOME FROM CONTINUING OPERATIONS	92,978	109,883	106,770	153,192
OTHER INCOME, NET:
Interest income	11,090	10,735	21,231	20,134
Interest expense	0	(5,952)	0	(11,930)
Other income, net	771	2,053	2,327	2,235
Total other income, net	11,861	6,836	23,558	10,439
INCOME BEFORE INCOME TAXES	104,839	116,719	130,328	163,631
INCOME TAX PROVISION	17,741	22,061	20,766	30,025
NET INCOME FROM CONTINUING OPERATIONS	87,098	94,658	109,562	133,606
DISCONTINUED OPERATIONS, NET OF TAX	0	(3,300)	0	(5,420)
NET INCOME	$ 87,098	$ 91,358	$ 109,562	$ 128,186
EARNINGS PER ORDINARY SHARE:
Earnings per ordinary share from continuing operations - basic	$ 0.53	$ 0.56	$ 0.67	$ 0.79
Loss per ordinary share from discontinued operations - basic	0	(0.02)	0	(0.03)
Earnings per ordinary share - basic	0.53	0.54	0.67	0.76
Earnings per ordinary share from continuing operations - diluted	0.52	0.55	0.65	0.78
Loss per ordinary share from discontinued operations - diluted	0	(0.02)	0	(0.03)
Earnings per ordinary share - diluted	$ 0.52	$ 0.53	$ 0.65	$ 0.75
WEIGHTED AVERAGE NUMBER OF ORDINARY SHARES OUTSTANDING:
Basic	164,959	168,321	164,188	168,152
Diluted	168,357	170,977	168,470	171,960
COMPREHENSIVE INCOME:
Net income	$ 87,098	$ 91,358	$ 109,562	$ 128,186
Holding gain (loss), net of a tax provision (benefit) of $16, $(8), $184 and $(83), respectively	55	11	567	(480)
COMPREHENSIVE INCOME	87,153	91,369	110,129	127,706
Product sales, net
REVENUES:
Total revenues	307,235	269,273	551,728	502,809
Manufacturing and royalty revenues
REVENUES:
Total revenues	83,422	129,858	145,439	246,691
Research and development revenue
REVENUES:
Total revenues	$ 0	$ 0	$ 0	$ 3