Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue:
Product revenue	$ 974,933	$ 899,412	$ 854,531
Service revenue	626,959	586,395	522,527
Total revenue	1,601,892	1,485,807	1,377,058
Cost of Revenue:
Cost of product revenue	360,208	335,046	318,685
Cost of service revenue	351,414	334,645	302,255
Total cost of revenue	711,622	669,691	620,940
Gross profit	890,270	816,116	756,118
Expenses:
Sales and marketing	299,955	283,708	243,492
General and administrative	182,510	173,890	157,861
Research and development	99,681	98,263	88,003
Impairment charge	8,212
Income from operations	299,912	260,255	266,762
Interest expense	(29,239)	(15,429)	(5,386)
Interest income	2,468	1,729	1,885
Income before provision for income taxes	273,141	246,555	263,261
Provision for income taxes	81,006	64,604	75,467
Net income	192,135	181,951	187,794
Less: Net income (loss) attributable to noncontrolling interest	57	45	(6)
Net income attributable to IDEXX Laboratories, Inc. stockholders	$ 192,078	$ 181,906	$ 187,800
Earnings per Share:
Basic	$ 2.07	$ 1.82	$ 1.77
Diluted	$ 2.05	$ 1.79	$ 1.74
Weighted Average Shares Outstanding:
Basic	92,601	100,094	106,318
Diluted	93,649	101,503	107,970