Acquisitions - Summary of Fair Value of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Jul. 21, 2025	Apr. 01, 2025	Sep. 30, 2025	Dec. 31, 2024
Liabilities assumed:
Goodwill			$ 240,328	$ 61,189
Evergreen Theragnostics
Assets acquired:
Cash and cash equivalents		$ 8,065
Accounts receivable, other		2,758
Prepaid expenses and other current assets		459
Property, plant and equipment, net		16,711
Intangibles		215,000
Deferred tax assets		18,112
Other long-term assets		1,424
Total identifiable assets acquired		262,529
Liabilities assumed:
Accounts payable		(1,964)
Accrued expenses and other liabilities		(754)
Deferred tax liabilities		(55,718)
Other long-term liabilities		(848)
Total liabilities assumed		(59,284)
Net assets acquired		203,245
Purchase consideration		319,466
Goodwill		$ 116,221
Life Molecular Imaging Ltd
Assets acquired:
Cash and cash equivalents	$ 46,193
Accounts receivable, other	25,123
Inventory	1,125
Prepaid expenses and other current assets	1,974
Property, plant and equipment, net	4,979
Intangibles	394,000
Deferred tax assets	15,993
Other long-term assets	11,524
Total identifiable assets acquired	500,911
Liabilities assumed:
Accounts payable	(5,715)
Accrued expenses and other liabilities	(24,655)
Deferred tax liabilities	(72,897)
Other long-term liabilities	(79,904)
Total liabilities assumed	(183,171)
Net assets acquired	317,740
Purchase consideration	382,204
Goodwill	$ 64,464