Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2020

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,
	2020		2019		2018
CAG segment revenue:
CAG Diagnostics recurring revenue:	$	2,113,839	$	1,828,329	$	1,654,530
IDEXX VetLab consumables	824,376		693,360		617,237
Rapid assay products	253,018		232,149		217,541
Reference laboratory diagnostic and consulting services	946,268		822,497		746,794
CAG Diagnostics services and accessories	90,177		80,323		72,958
CAG Diagnostics capital - instruments	108,950		132,685		134,264
Veterinary software, services and diagnostic imaging systems	162,976		158,169		146,634
CAG segment revenue	2,385,765		2,119,183		1,935,428
Water segment revenue	128,625		132,850		125,198
LPD segment revenue	145,845		132,635		130,581
Other segment revenue	46,420		22,240		22,035
Total revenue	$	2,706,655	$	2,406,908	$	2,213,242

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

(in thousands)	For the Years Ended December 31,
	2020		2019		2018
Americas
United States	$	1,691,224	$	1,495,516	$	1,357,909
Canada	107,398		99,550		94,206
Latin America	51,863		56,515		50,969
	1,850,485		1,651,581		1,503,084
Europe, the Middle East and Africa
Germany	119,353		104,081		100,459
United Kingdom	90,156		90,969		87,807
France	74,814		64,767		60,319
Italy	42,817		39,725		36,956
Spain	39,265		36,439		33,687
Switzerland	24,850		20,855		19,875
Netherlands	23,461		19,397		18,090
Other	148,049		122,206		114,877
	562,765		498,439		472,070
Asia Pacific Region
Australia	79,629		71,069		63,386
Japan	74,725		67,246		60,213
China	70,845		57,518		57,621
Other	68,206		61,055		56,868
	293,405		256,888		238,088
Total	$	2,706,655	$	2,406,908	$	2,213,242