Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

Summary Of Segment Performance

	For the Three Months Ended September 30,
		CAG	Water		LPD		Other		Unallocated Amounts		Consolidated Total
2013
Revenue	$	283,843	$	23,247	$	25,131	$	6,076	$	-	$	338,297
Income from operations	$	52,711	$	10,414	$	1,125	$	612	$	623	$	65,485
Interest expense, net												(1,007)
Income before provision for income taxes												64,478
Provision for income taxes												18,786
Net income												45,692
Less: Net income attributable to noncontrolling interest												4
Net income attributable to IDEXX  Laboratories, Inc. stockholders											$	45,688
2012
Revenue	$	262,357	$	22,223	$	24,696	$	6,199	$	-	$	315,475
Income (loss) from operations	$	50,651	$	10,128	$	3,873	$	(488)	$	(1,252)	$	62,912
Interest expense, net												(400)
Income before provision for income taxes												62,512
Provision for income taxes												19,639
Net income												42,873
Less: Net income attributable to noncontrolling interest												20
Net income attributable to IDEXX  Laboratories, Inc. stockholders											$	42,853

	For the Nine Months Ended September 30,
		CAG	Water		LPD		Other		Unallocated Amounts		Consolidated Total
2013
Revenue	$	856,617	$	66,297	$	81,448	$	18,623	$	-	$	1,022,985
Income (loss) from operations	$	167,377	$	28,682	$	9,176	$	1,888	$	(1,689)	$	205,434
Interest expense, net												(2,132)
Income before provision for income taxes												203,302
Provision for income taxes												58,745
Net income												144,557
Less: Net income attributable to noncontrolling interest												15
Net income attributable to IDEXX  Laboratories, Inc. stockholders											$	144,542
2012
Revenue	$	808,724	$	63,788	$	82,413	$	18,875	$	-	$	973,800
Income (loss) from operations	$	157,337	$	28,619	$	15,563	$	(314)	$	(2,069)	$	199,136
Interest expense, net												(1,603)
Income before provision for income taxes												197,533
Provision for income taxes												62,606
Net income												134,927
Less: Net income attributable to noncontrolling interest												14
Net income attributable to IDEXX  Laboratories, Inc. stockholders											$	134,913

Summary Of Revenue By Product And Service Category

	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
		2013		2012		2013		2012
CAG segment revenue:
VetLab® instruments and consumables	$	107,944	$	101,325	$	323,651	$	307,565
Rapid assay products		43,042		39,315		133,182		128,556
Reference laboratory diagnostic and consulting services		110,292		101,449		333,858		309,696
Customer information management and digital imaging systems		22,565		20,268		65,926		62,907
CAG segment revenue		283,843		262,357		856,617		808,724
Water segment revenue		23,247		22,223		66,297		63,788
LPD segment revenue		25,131		24,696		81,448		82,413
Other segment revenue		6,076		6,199		18,623		18,875
Total revenue	$	338,297	$	315,475	$	1,022,985	$	973,800