Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2021

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,
	2021		2020		2019
CAG segment revenue:
CAG Diagnostics recurring revenue:	$	2,534,562	$	2,113,839	$	1,828,329
IDEXX VetLab consumables	1,006,781		824,376		693,360
Rapid assay products	296,852		253,018		232,149
Reference laboratory diagnostic and consulting services	1,123,656		946,268		822,497
CAG Diagnostics services and accessories	107,273		90,177		80,323
CAG Diagnostics capital - instruments	149,140		108,950		132,685
Veterinary software, services and diagnostic imaging systems	206,258		162,976		158,169
CAG segment revenue	2,889,960		2,385,765		2,119,183
Water segment revenue	146,505		128,625		132,850
LPD segment revenue	135,887		145,845		132,635
Other segment revenue	43,008		46,420		22,240
Total revenue	$	3,215,360	$	2,706,655	$	2,406,908

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

(in thousands)	For the Years Ended December 31,
	2021		2020		2019
Americas
United States	$	1,995,683	$	1,691,224	$	1,495,516
Canada	139,727		107,398		99,550
Latin America & Caribbean	66,623		51,863		56,515
	2,202,033		1,850,485		1,651,581
Europe, the Middle East and Africa
Germany	146,762		119,353		104,081
United Kingdom	114,955		90,156		90,969
France	90,836		74,814		64,767
Italy	52,062		42,817		39,725
Spain	48,169		39,265		36,439
Switzerland	31,984		24,850		20,855
Netherlands	29,656		23,461		19,397
Other	167,525		148,049		122,206
	681,949		562,765		498,439
Asia Pacific Region
Australia	94,414		79,629		71,069
Japan	84,275		74,725		67,246
China	63,166		70,845		57,518
Other	89,523		68,206		61,055
	331,378		293,405		256,888
Total	$	3,215,360	$	2,706,655	$	2,406,908