Operating Segments and Related Information (Tables)

3 Months Ended

Mar. 31, 2016

Operating segment information is as follows (in thousands):



	Three Months Ended March 31,
	2016			2015
Revenue – External Customers:
Surveillance	$	124,151		$	112,901
Instruments	79,418			83,821
Security	47,061			38,806
OEM & Emerging Markets	47,845			39,834
Maritime	51,720			50,972
Detection	29,277			18,183
	$	379,472		$	344,517
Revenue – Intersegments:
Surveillance	$	4,224		$	3,682
Instruments	1,575			842
Security	2,473			3,976
OEM & Emerging Markets	8,176			8,686
Maritime	615			657
Detection	—			—
Elimination	(17,063		)	(17,843		)
	$	—		$	—
Earnings (loss) from operations:
Surveillance	$	35,240		$	30,166
Instruments	19,496			28,063
Security	(3,645		)	3,816
OEM & Emerging Markets	10,032			8,779
Maritime	4,998			4,789
Detection	7,880			2,680
Other	(16,624		)	(12,539		)
	$	57,377		$	65,754



	March 31, 2016		December 31, 2015
Segment assets (accounts receivable, net and inventories):
Surveillance	$	257,612	$	286,058
Instruments	109,601		130,135
Security	92,558		105,509
OEM & Emerging Markets	113,830		93,925
Maritime	87,414		73,506
Detection	36,385		30,057
	$	697,400	$	719,190

Note 17. Operating Segments and Related Information - (Continued)

Operating Segments - (Continued)

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

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

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