Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue:
Product revenue	$ 304,091	$ 284,887	$ 576,056	$ 533,952
Service revenue	204,849	181,682	394,905	350,167
Total revenue	508,940	466,569	970,961	884,119
Cost of Revenue:
Cost of product revenue	110,330	108,910	213,357	206,541
Cost of service revenue	105,895	97,116	206,698	189,498
Total cost of revenue	216,225	206,026	420,055	396,039
Gross profit	292,715	260,543	550,906	488,080
Expenses:
Sales and marketing	87,693	76,652	174,937	156,481
General and administrative	55,460	54,317	108,374	103,612
Research and development	26,998	25,412	52,788	50,032
Income from operations	122,564	104,162	214,807	177,955
Interest expense	(9,155)	(8,204)	(17,744)	(16,508)
Interest income	1,176	928	2,259	1,748
Income before provision for income taxes	114,585	96,886	199,322	163,195
Provision for income taxes	29,178	29,680	44,857	49,964
Net income	85,407	67,206	154,465	113,231
Less: Net income attributable to noncontrolling interest	50	4	89	10
Net income attributable to IDEXX Laboratories, Inc. stockholders	$ 85,357	$ 67,202	$ 154,376	$ 113,221
Earnings per Share:
Basic	$ 0.97	$ 0.75	$ 1.75	$ 1.26
Diluted	$ 0.95	$ 0.74	$ 1.72	$ 1.25
Weighted Average Shares Outstanding:
Basic	88,004	89,824	88,060	89,874
Diluted	89,878	90,817	89,962	90,858