Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregated Revenues

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

(in thousands)	For the Years Ended December 31,
	2019		2018		2017
CAG segment revenue:
CAG Diagnostics recurring revenue:	$	1,828,329	$	1,654,530	$	1,451,701
IDEXX VetLab consumables	693,360		617,237		518,774
Rapid assay products	232,149		217,541		205,309
Reference laboratory diagnostic and consulting services	822,497		746,794		660,142
CAG Diagnostics services and accessories	80,323		72,958		67,476
CAG Diagnostics capital - instruments	132,685		134,264		119,963
Veterinary software, services and diagnostic imaging systems	158,169		146,634		131,713
CAG segment revenue	2,119,183		1,935,428		1,703,377
Water segment revenue	132,850		125,198		114,395
LPD segment revenue	132,635		130,581		128,481
Other segment revenue	22,240		22,035		22,805
Total revenue	$	2,406,908	$	2,213,242	$	1,969,058

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

(in thousands)	For the Years Ended December 31,
	2019		2018		2017
Americas
United States	$	1,495,516	$	1,357,909	$	1,203,547
Canada	99,550		94,206		83,818
Latin America	56,515		50,969		46,893
	1,651,581		1,503,084		1,334,258
Europe, the Middle East and Africa
Germany	104,081		100,459		88,328
United Kingdom	90,969		87,807		80,149
France	64,767		60,319		55,993
Italy	39,725		36,956		31,889
Spain	36,439		33,687		28,866
Switzerland	20,855		19,875		17,913
Netherlands	19,397		18,090		15,877
Other	122,206		114,877		100,409
	498,439		472,070		419,424
Asia Pacific Region
Australia	71,069		63,386		56,994
Japan	67,246		60,213		53,344
China	57,518		57,621		55,810
Other	61,055		56,868		49,228
	256,888		238,088		215,376
Total	$	2,406,908	$	2,213,242	$	1,969,058