Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Summary Of Segment Performance

	For the Three Months Ended March 31,
		CAG	Water		LPD		Other		Unallocated Amounts		Consolidated Total
2018
Revenue	$	470,833	$	29,143	$	32,240	$	5,440	$	-	$	537,656
Income (loss) from operations	$	100,398	$	12,462	$	2,961	$	498	$	(3,275)	$	113,044
Interest expense, net												(8,695)
Income before provision for income taxes												104,349
Provision for income taxes												14,873
Net income												89,476
Less: Net income attributable to noncontrolling interest												25
Net income attributable to IDEXX Laboratories, Inc. stockholders											$	89,451
2017
Revenue	$	403,227	$	25,077	$	29,317	$	4,400	$	-	$	462,021
Income (loss) from operations	$	79,855	$	10,263	$	3,802	$	393	$	(2,070)	$	92,243
Interest expense, net												(7,506)
Income before provision for income taxes												84,737
Provision for income taxes												15,679
Net income												69,058
Less: Net income attributable to noncontrolling interest												39
Net income attributable to IDEXX Laboratories, Inc. stockholders											$	69,019