Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenue:
Product revenue	$ 266,321	$ 246,750	$ 800,273	$ 730,063
Service revenue	181,987	159,637	532,154	472,144
Total revenue	448,308	406,387	1,332,427	1,202,207
Cost of Revenue:
Cost of product revenue	103,909	92,185	310,450	266,758
Cost of service revenue	97,669	89,928	287,167	262,874
Total cost of revenue	201,578	182,113	597,617	529,632
Gross profit	246,730	224,274	734,810	672,575
Expenses:
Sales and marketing	79,972	73,107	236,453	223,460
General and administrative	52,627	46,198	156,239	133,717
Research and development	25,672	24,862	75,704	74,185
Impairment charge		8,212	2,228	8,212
Income from operations	88,459	71,895	266,414	233,001
Interest expense	(7,786)	(7,750)	(24,294)	(21,313)
Interest income	851	684	2,599	1,668
Income before provision for income taxes	81,524	64,829	244,719	213,356
Provision for income taxes	25,072	20,600	75,036	65,611
Net income	56,452	44,229	169,683	147,745
Less: Net (loss) income attributable to noncontrolling interest	(3)	6	7	16
Net income attributable to IDEXX Laboratories, Inc. stockholders	$ 56,455	$ 44,223	$ 169,676	$ 147,729
Earnings per Share:
Basic	$ 0.63	$ 0.48	$ 1.89	$ 1.59
Diluted	$ 0.62	$ 0.48	$ 1.87	$ 1.57
Weighted Average Shares Outstanding:
Basic	89,894	91,944	89,881	93,194
Diluted	91,138	92,897	90,960	94,262