Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenue:
Product revenue	$ 1,070,973	$ 974,933	$ 899,412
Service revenue	704,450	626,959	586,395
Total revenue	1,775,423	1,601,892	1,485,807
Cost of Revenue:
Cost of product revenue	416,810	360,208	335,046
Cost of service revenue	383,177	351,414	334,645
Total cost of revenue	799,987	711,622	669,691
Gross profit	975,436	890,270	816,116
Expenses:
Sales and marketing	317,058	299,955	283,708
General and administrative	207,017	182,510	173,890
Research and development	101,122	99,681	98,263
Impairment charge		8,212
Income from operations	350,239	299,912	260,255
Interest expense	(32,049)	(29,239)	(15,429)
Interest income	3,656	2,468	1,729
Income before provision for income taxes	321,846	273,141	246,555
Provision for income taxes	99,792	81,006	64,604
Net income	222,054	192,135	181,951
Less: Net income (loss) attributable to noncontrolling interest	9	57	45
Net income attributable to IDEXX Laboratories, Inc. stockholders	$ 222,045	$ 192,078	$ 181,906
Earnings per Share:
Basic	$ 2.47	$ 2.07	$ 1.82
Diluted	$ 2.44	$ 2.05	$ 1.79
Weighted Average Shares Outstanding:
Basic	89,732	92,601	100,094
Diluted	90,884	93,649	101,503