CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue:
Total revenue	$ 3,660,953	$ 3,367,324	$ 3,215,360
Cost of Revenue:
Total cost of revenue	1,470,983	1,362,986	1,325,928
Gross profit	2,189,970	2,004,338	1,889,432
Expenses:
Sales and marketing	566,066	524,505	486,735
General and administrative	335,825	326,248	309,660
Research and development	190,951	254,820	161,009
Income from operations	1,097,128	898,765	932,028
Interest expense	(41,581)	(39,858)	(29,808)
Interest income	5,629	1,065	434
Income before provision for income taxes	1,061,176	859,972	902,654
Provision for income taxes	216,134	180,883	157,810
Net income	845,042	679,089	744,844
Less: Net (loss) attributable to noncontrolling interest	0	0	(1)
Net income attributable to IDEXX Laboratories, Inc. stockholders	$ 845,042	$ 679,089	$ 744,845
Earnings per Share:
Basic (in USD per share)	$ 10.17	$ 8.12	$ 8.74
Diluted (in USD per share)	$ 10.06	$ 8.03	$ 8.60
Weighted Average Shares Outstanding:
Basic (in shares)	83,066	83,623	85,200
Diluted (in shares)	83,978	84,600	86,572
Product revenue
Revenue:
Total revenue	$ 2,089,936	$ 1,928,773	$ 1,875,308
Cost of Revenue:
Total cost of revenue	717,951	656,511	656,823
Service revenue
Revenue:
Total revenue	1,571,017	1,438,551	1,340,052
Cost of Revenue:
Total cost of revenue	$ 753,032	$ 706,475	$ 669,105