Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenue:
Product revenue	$ 899,412	$ 854,531	$ 816,992
Service revenue	586,395	522,527	476,346
Total revenue	1,485,807	1,377,058	1,293,338
Cost of Revenue:
Cost of product revenue	335,046	318,685	305,910
Cost of service revenue	334,645	302,255	288,280
Total cost of revenue	669,691	620,940	594,190
Gross profit	816,116	756,118	699,148
Expenses:
Sales and marketing	283,708	243,492	216,962
General and administrative	173,890	157,861	137,609
Research and development	98,263	88,003	82,014
Income from operations	260,255	266,762	262,563
Interest expense	(15,429)	(5,386)	(3,848)
Interest income	1,729	1,885	1,902
Income before provision for income taxes	246,555	263,261	260,617
Provision for income taxes	64,604	75,467	82,330
Net income	181,951	187,794	178,287
Less: Net income (loss) attributable to noncontrolling interest	45	(6)	20
Net income attributable to IDEXX Laboratories, Inc. stockholders	$ 181,906	$ 187,800	$ 178,267
Earnings per Share:
Basic	$ 3.63	$ 3.53	$ 3.24
Diluted	$ 3.58	$ 3.48	$ 3.17
Weighted Average Shares Outstanding:
Basic	50,047	53,159	54,985
Diluted	50,751	53,985	56,155