Operating Segments and Related Information (Tables)

9 Months Ended

Sep. 30, 2017

Operating segment information is as follows (in thousands):



	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
Revenue—External Customers:
Surveillance	$	146,805		$	136,402		$	394,742		$	373,993
Instruments	91,429			82,673			255,253			240,160
Security	65,660			56,431			160,447			166,872
OEM & Emerging Markets	87,206			62,719			259,418			167,544
Maritime	42,256			40,586			145,909			147,469
Detection	31,356			26,417			89,881			91,391
	$	464,712		$	405,228		$	1,305,650		$	1,187,429
Revenue—Intersegments:
Surveillance	$	10,115		$	5,001		$	18,203		$	13,980
Instruments	929			709			2,916			3,498
Security	2,931			4,267			9,697			10,575
OEM & Emerging Markets	11,456			7,518			29,986			24,528
Maritime	567			656			1,865			2,728
Detection	2			—			3			31
Eliminations	(26,000		)	(18,151		)	(62,670		)	(55,340		)
	$	—		$	—		$	—		$	—
Segment operating income:
Surveillance	$	44,941		$	41,428		$	104,313		$	103,888
Instruments	29,603			27,578			74,376			67,254
Security	6,486			4,784			8,090			7,025
OEM & Emerging Markets	26,931			20,658			77,628			48,100
Maritime	4,466			3,155			19,060			16,482
Detection	8,883			6,999			24,644			25,556
	$	121,310		$	104,602		$	308,111		$	268,305

A reconciliation of the Company's consolidated segment operating income to consolidated earnings before income taxes is as follows (in thousands):



	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
Consolidated segment operating income	$	121,310		$	104,602		$	308,111		$	268,305
Unallocated corporate expenses	(25,492		)	(16,514		)	(68,733		)	(49,186		)
Amortization of purchased intangible assets	(7,102		)	(4,329		)	(20,854		)	(12,464		)
Amortization of acquisition-related inventory step-up	—			—			(1,992		)	—
SkyWatch product quality accrual	(1,088		)	(2,000		)	(3,088		)	(2,000		)
Restructuring charges	(542		)	(910		)	(642		)	(1,217		)
Consolidated earnings from operations	87,086			80,849			212,802			203,438
Interest and non-operating expense, net	(2,553		)	(5,641		)	(9,165		)	(12,757		)
Consolidated earnings before income taxes	$	84,533		$	75,208		$	203,637		$	190,681

Unallocated corporate expenses include general corporate expenses, acquisition related costs and executive transition costs.

Operating Segments - (Continued)



	September 30,		December 31,
	2017		2016
Segment assets (accounts receivable, net and inventories):
Surveillance	$	290,353	$	283,324
Instruments	132,642		114,681
Security	95,063		93,174
OEM & Emerging Markets	141,212		144,862
Maritime	65,276		61,494
Detection	34,001		25,856
	$	758,547	$	723,391

Revenue and Long-Lived Assets by Geographic Area

Information related to revenue by significant geographical location, determined by the end customer, is as follows (in thousands):



	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
United States	$	250,755	$	229,350	$	696,612	$	647,938
Europe	91,529		71,949		265,842		240,656
Asia	56,416		42,639		170,061		133,877
Middle East/Africa	26,437		41,889		86,826		98,231
Canada/Latin America	39,575		19,401		86,309		66,727
	$	464,712	$	405,228	$	1,305,650	$	1,187,429

Long-lived assets by significant geographic locations are as follows (in thousands):

Major Customers

Revenue derived from major customers is as follows (in thousands):



	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
United States government	$	117,797	$	112,735	$	345,856	$	298,476