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, 2024	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 112,809	$ 100,994	$ 96,746
Unpaid property and equipment, reflected in accounts payable and accrued liabilities at end of year	15,036	12,061	18,334
Amount of rental and operating-type reagent rental program instruments transferred from inventory to property and equipment	1,518,577	1,470,983	1,362,986
Reagent rental arrangements
Property, Plant and Equipment [Line Items]
Amount of rental and operating-type reagent rental program instruments transferred from inventory to property and equipment	14,190	14,608	17,407
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	$ 38,777	$ 37,120	$ 20,329