Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents disaggregated revenue by major product and service categories:໿

(in thousands)	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2019		2018		2019		2018
CAG segment revenue:
CAG Diagnostics recurring revenue:	$	460,974	$	409,162	$	1,382,196	$	1,252,876
IDEXX VetLab consumables	177,276		152,509		519,646		460,642
Rapid assay products	58,930		53,821		181,966		169,200
Reference laboratory diagnostic and consulting services	204,919		184,103		621,469		568,308
CAG Diagnostics services and accessories	19,849		18,729		59,115		54,726
CAG Diagnostics capital - instruments	32,608		31,561		92,883		97,000
Veterinary software, services and diagnostic imaging systems	39,548		37,374		114,318		106,541
CAG segment revenue	533,130		478,097		1,589,397		1,456,417
Water segment revenue	34,906		33,108		99,980		94,909
LPD segment revenue	31,370		29,420		95,980		96,658
Other segment revenue	5,897		4,823		16,105		15,872
Total revenue	$	605,303	$	545,448	$	1,801,462	$	1,663,856

Revenue by principal geographic area, based on customers’ domiciles, was as follows:໿

(in thousands)	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2019		2018		2019		2018
United States	$	380,184	$	340,692	$	1,127,347	$	1,024,889
Europe, the Middle East and Africa	122,050		112,466		368,636		355,310
Asia Pacific Region	64,648		56,954		188,756		175,498
Canada	24,334		22,459		75,212		71,410
Latin America	14,087		12,877		41,511		36,749
Total	$	605,303	$	545,448	$	1,801,462	$	1,663,856