PROPERTY AND EQUIPMENT, NET (Summary Of Depreciation And Amortization, Capitalized Computer Software For Internal Use And Unpaid Property Equipment Reflected In Account Payable And Accrued Expenses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 124,947	$ 112,809	$ 100,994
Unpaid property and equipment, reflected in accounts payable and accrued liabilities at end of year	15,559	15,036	12,061
Instruments transferred from inventory to property and equipment during the period for operating lease arrangements with customers	1,644,123	1,518,577	1,470,983
Reagent rental arrangements
Property, Plant and Equipment [Line Items]
Instruments transferred from inventory to property and equipment during the period for operating lease arrangements with customers	9,929	14,190	14,608
Capitalization of internal-use software development costs during the period
Property, Plant and Equipment [Line Items]
Capitalization of internal-use software development costs during the period	$ 36,458	$ 38,777	$ 37,120