CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 109,562	$ 128,186
Adjustments to reconcile net income to cash flows from operating activities:
Depreciation and amortization	15,239	14,714
Share-based compensation expense	47,776	53,356
Deferred income taxes	(900)	21,724
Gain on sale of the Athlone Facility		(1,462)
Other non-cash charges	3,245	2,136
Changes in assets and liabilities:
Receivables	29,622	(33,939)
Contract assets	3,566	(2,786)
Inventory	(10,043)	(9,538)
Prepaid expenses and other assets	16,163	(1,206)
Right-of-use assets	3,713	3,571
Accounts payable and accrued expenses	56,109	(1,930)
Accrued sales discounts, allowances and reserves	(19,279)	(185)
Contract liabilities	(671)	(1,463)
Operating lease liabilities	(5,137)	(5,049)
Other long-term liabilities	48	1,009
Cash flows provided by operating activities	249,013	167,138
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions of property, plant and equipment	(23,126)	(15,453)
Proceeds from the sale of property, plant and equipment	34	434
Proceeds from the sale of the Athlone Facility	1,708	97,933
Purchases of investments	(193,806)	(209,962)
Sales and maturities of investments	195,078	138,947
Cash flows (used in) provided by investing activities	(20,112)	11,899
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from the issuance of ordinary shares under share-based compensation arrangements	31,611	13,833
Employee taxes paid related to net share settlement of equity awards	(30,459)	(29,000)
Payment for the repurchase of ordinary shares		(84,689)
Principal payments of long-term debt		(1,500)
Cash flows provided by (used in) financing activities	1,152	(101,356)
NET INCREASE IN CASH AND CASH EQUIVALENTS	230,053	77,681
CASH AND CASH EQUIVALENTS—Beginning of period	291,146	457,469
CASH AND CASH EQUIVALENTS—End of period	521,199	535,150
Non-cash investing and financing activities:
Purchased capital expenditures included in accounts payable and accrued expenses	$ 7,562	$ 1,649