Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2018

Revenue Recognition [Abstract]

Disaggregation of Revenue

The following tablepresents disaggregated revenue by major product and service categories for the period ending March 31, 2018 (in thousands):

	For the Three Months Ended
	March 31,
		2018		2017
CAG segment revenue:
CAG Diagnostics recurring revenue:	$	406,048	$	346,680
IDEXX VetLab consumables		149,513		123,553
Rapid assay products		52,017		47,895
Reference laboratory diagnostic and consulting services		186,937		159,069
CAG Diagnostics service and accessories		17,581		16,163
CAG Diagnostics capital - instruments		30,895		26,183
Veterinary software, services and diagnostic imaging systems		33,890		30,364
CAG segment revenue		470,833		403,227
Water segment revenue		29,143		25,077
LPD segment revenue		32,240		29,317
Other segment revenue		5,440		4,400
Total revenue	$	537,656	$	462,021

Revenue by principal geographic area, based on customers’ domiciles, was as follows (in thousands):

		For the Three Months Ended March 31,
		2018		2017
United States	$	327,461	$	288,613
Europe, the Middle East and Africa		120,574		96,428
Asia Pacific Region		56,039		48,952
Canada		22,544		18,748
Latin America		11,038		9,280
Total	$	537,656	$	462,021