CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue:
Total revenue	$ 637,592	$ 620,103	$ 1,263,928	$ 1,196,159
Cost of Revenue:
Total cost of revenue	258,250	262,250	524,996	506,709
Gross profit	379,342	357,853	738,932	689,450
Expenses:
Sales and marketing	94,181	101,364	210,324	207,948
General and administrative	60,268	59,955	126,080	120,316
Research and development	31,645	32,259	64,955	63,773
Income from operations	193,248	164,275	337,573	297,413
Interest expense	(9,495)	(8,186)	(17,187)	(16,572)
Interest income	69	33	209	73
Income before provision for income taxes	183,822	156,122	320,595	280,914
Provision for income taxes	34,826	30,421	59,743	52,504
Net income	148,996	125,701	260,852	228,410
Less: Net income (loss) attributable to noncontrolling interest	56	(5)	85	23
Net income attributable to IDEXX Laboratories, Inc. stockholders	$ 148,940	$ 125,706	$ 260,767	$ 228,387
Earnings per Share:
Basic (in dollars per share)	$ 1.75	$ 1.46	$ 3.06	$ 2.65
Diluted (in dollars per share)	$ 1.72	$ 1.43	$ 3.01	$ 2.61
Weighted Average Shares Outstanding:
Basic (in shares)	85,134	86,215	85,282	86,210
Diluted (in shares)	86,402	87,615	86,568	87,594
Product revenue
Revenue:
Total revenue	$ 366,058	$ 365,638	$ 730,831	$ 699,696
Cost of Revenue:
Total cost of revenue	124,024	127,893	249,478	245,276
Service revenue
Revenue:
Total revenue	271,534	254,465	533,097	496,463
Cost of Revenue:
Total cost of revenue	$ 134,226	$ 134,357	$ 275,518	$ 261,433