Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Summary of segment performance

The following is a summary of segment performance for the three months ended March 31, 2019 and 2018(in thousands):໿

	For the Three Months Ended March 31,
	CAG		Water		LPD		Other		Unallocated Amounts			Consolidated Total
2019
Revenue	$	508,918	$	30,310	$	31,506	$	5,322	$	—		$	576,056
Income (loss) from operations	$	115,022	$	13,782	$	6,250	$	1,526	$	(3,442	)	$	133,138
Interest expense, net												(8,346		)
Income before provision for income taxes												124,792
Provision for income taxes												22,083
Net income												102,709
Less: Net income attributable to noncontrolling interest												28
Net income attributable to IDEXX Laboratories, Inc. stockholders												$	102,681
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