Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Summary of Segment Performance

The following is a summary of segment performance:

(in thousands)	For the Years Ended December 31,
	CAG		Water		LPD		Other		Unallocated Amounts			Consolidated Total
2019
Revenue	$	2,119,183	$	132,850	$	132,635	$	22,240	$	—		$	2,406,908
Income (loss) from operations	$	491,602	$	62,435	$	25,374	$	4,940	$	(31,505	)	$	552,846
Interest expense, net												(30,628		)
Income before provision for income taxes												522,218
Provision for income taxes												94,426
Net income												427,792
Less: Net income attributable to noncontrolling interest												72
Net income attributable to IDEXX Laboratories, Inc. stockholders												$	427,720
Depreciation and amortization	$	77,620	$	2,794	$	4,007	$	3,590	$	—		$	88,011
2018
Revenue	$	1,935,428	$	125,198	$	130,581	$	22,035	$	—		$	2,213,242
Income (loss) from operations	$	429,483	$	56,607	$	19,412	$	3,729	$	(17,896	)	$	491,335
Interest expense, net												(33,593		)
Income before provision for income taxes												457,742
Provision for income taxes												80,695
Net income												377,047
Less: Net income attributable to noncontrolling interest												16
Net income attributable to IDEXX Laboratories, Inc. stockholders												$	377,031
Depreciation and amortization	$	72,789	$	2,592	$	4,094	$	3,703	$	—		$	83,178
2017
Revenue	$	1,703,377	$	114,395	$	128,481	$	22,805	$	—		$	1,969,058
Income (loss) from operations	$	363,557	$	50,616	$	16,464	$	4,837	$	(22,446	)	$	413,028
Interest expense, net												(31,971		)
Income before provision for income taxes												381,057
Provision for income taxes												117,788
Net income												263,269
Less: Net income attributable to noncontrolling interest												125
Net income attributable to IDEXX Laboratories, Inc. stockholders												$	263,144
Depreciation and amortization	$	71,835	$	2,856	$	5,052	$	3,397	$	—		$	83,140

Schedule of Net Long-Lived Assets by Principal Geographic Areas

Net long-lived assets, consisting of net property and equipment, are subject to geographic risks because they are generally difficult to move and to effectively utilize in another geographic area in a reasonable time period and because they are relatively illiquid. Net long-lived assets by principal geographic areas were as follows:

(in thousands)
	December 31, 2019		December 31, 2018
Americas
United States	$	401,248	$	348,240
Brazil	22,274		16,735
Canada	7,784		1,859
	431,306		366,834
Europe, the Middle East and Africa
Germany	52,032		25,036
United Kingdom	12,114		11,517
Netherlands	13,586		10,273
France	2,061		2,130
Switzerland	3,508		2,742
Other	3,395		3,763
	86,696		55,461
Asia Pacific Region
Japan	5,409		5,296
Australia	4,088		4,257
Other	6,346		5,422
	15,843		14,975
Total	$	533,845	$	437,270