Revenue Recognition (Tables)

6 Months Ended

Jun. 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 June 30,				For the Six Months Ended June 30,
	2019		2018		2019		2018
CAG segment revenue:
CAG Diagnostics recurring revenue:	$	477,431	$	437,666	$	921,222	$	843,714
IDEXX VetLab consumables	175,159		158,620		342,370		308,133
Rapid assay products	68,605		63,362		123,036		115,379
Reference laboratory diagnostic and consulting services	213,892		197,268		416,550		384,205
CAG Diagnostics services and accessories	19,775		18,416		39,266		35,997
CAG Diagnostics capital - instruments	31,526		34,544		60,275		65,439
Veterinary software, services and diagnostic imaging systems	38,392		35,277		74,770		69,167
CAG segment revenue	547,349		507,487		1,056,267		978,320
Water segment revenue	34,764		32,658		65,074		61,801
LPD segment revenue	33,104		34,998		64,610		67,238
Other segment revenue	4,886		5,609		10,208		11,049
Total revenue	$	620,103	$	580,752	$	1,196,159	$	1,118,408

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

(in thousands)	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2019		2018		2019		2018
United States	$	388,875	$	356,736	$	747,163	$	684,197
Europe, the Middle East and Africa	124,840		122,270		246,586		242,844
Asia Pacific Region	64,033		62,505		124,108		118,544
Canada	27,654		26,407		50,878		48,951
Latin America	14,701		12,834		27,424		23,872
Total	$	620,103	$	580,752	$	1,196,159	$	1,118,408