Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue:
Product revenue	$ 205,768	$ 204,167
Service revenue	126,338	118,509
Total revenue	332,106	322,676
Cost of Revenue:
Cost of product revenue	74,150	75,212
Cost of service revenue	73,982	72,690
Total cost of revenue	148,132	147,902
Gross profit	183,974	174,774
Expenses:
Sales and marketing	59,397	57,632
General and administrative	41,631	36,178
Research and development	21,758	20,557
Income from operations	61,188	60,407
Interest expense	(835)	(1,193)
Interest income	444	436
Income before provision for income taxes	60,797	59,650
Provision for income taxes	15,930	18,916
Net income	44,867	40,734
Less: Net income (loss) attributable to noncontrolling interest	7	(9)
Net income attributable to IDEXX Laboratories, Inc. stockholders	$ 44,860	$ 40,743
Earnings per Share:
Basic	$ 0.82	$ 0.74
Diluted	$ 0.81	$ 0.72
Weighted Average Shares Outstanding:
Basic	54,588	55,208
Diluted	55,490	56,439