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PROPERTY AND EQUIPMENT, NET (Tables)
 12 Months Ended
Dec. 31, 2024
Property, Plant and Equipment [Abstract]  
Schedule of Estimated Useful Lives for Property and Equipment We provide for depreciation and amortization primarily using the straight-line method by charges to the consolidated statements of income in amounts that allocate the cost of property and equipment over their estimated useful lives as follows:
Asset Classification Estimated Useful Life
  
Buildings and improvements 
10 to 40 years
Leasehold improvements Shorter of remaining lease term or useful life of improvements
Machinery and equipment 
3 to 8 years
Office furniture and equipment 
3 to 7 years
Computer hardware and software 
3 to 7 years
Schedule of Property and Equipment
Property and equipment, net, consisted of the following:

(in thousands)December 31, 2024December 31, 2023
  
Land and improvements$23,989 $22,400 
Buildings and improvements446,164 432,038 
Leasehold improvements119,844 116,347 
Machinery and equipment460,750 431,914 
Office furniture and equipment80,882 78,941 
Computer hardware and software349,372 326,295 
Construction in progress67,144 79,059 
1,548,145 1,486,994 
Less accumulated depreciation and amortization835,022 784,817 
Total property and equipment, net$713,123 $702,177 
Schedule of Depreciation and Amortization, Capitalized Computer Software for Internal Use and Unpaid Property Equipment Reflected in Accounts Payable and Accrued Expenses
Below are the amounts of depreciation and amortization of property and equipment, capitalized computer software for internal use, unpaid property and equipment reflected in accounts payable and accrued expenses, and rental and reagent rental program instruments transferred from inventory to property and equipment:
For the Years Ended December 31,
(in thousands)202420232022
   
Depreciation and amortization expense$112,809 $100,994 $96,746 
Capitalization of internal-use software development costs during the period
$38,777 $37,120 $20,329 
Unpaid property and equipment, reflected in accounts payable and accrued liabilities at end of year
$15,036 $12,061 $18,334 
Rental and operating-type reagent rental program instruments transferred from inventory to property and equipment during the period (Note 3)
$14,190 $14,608 $17,407