Operating Segments and Related Information (Tables)

6 Months Ended

Jun. 30, 2016

Operating segment information is as follows (in thousands):



	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Revenue – External Customers:
Surveillance	$	113,440		$	107,814		$	237,591		$	220,715
Instruments	78,068			90,260			157,487			174,080
Security	63,380			60,048			110,441			98,854
OEM & Emerging Markets	56,980			46,285			104,825			86,120
Maritime	55,163			52,030			106,883			103,002
Detection	35,698			36,538			64,974			54,721
	$	402,729		$	392,975		$	782,201		$	737,492
Revenue – Intersegments:
Surveillance	$	4,755		$	2,065		$	8,979		$	5,747
Instruments	1,213			1,068			2,788			1,910
Security	3,836			4,032			6,308			8,007
OEM & Emerging Markets	8,833			9,072			17,010			17,758
Maritime	1,458			925			2,072			1,582
Detection	31			—			31			—
Elimination	(20,126		)	(17,162		)	(37,188		)	(35,004		)
	$	—		$	—		$	—		$	—
Earnings (loss) from operations:
Surveillance	$	26,135		$	26,378		$	61,374		$	56,546
Instruments	19,133			28,341			38,629			56,404
Security	3,214			7,874			(430		)	11,689
OEM & Emerging Markets	16,094			10,495			26,127			19,274
Maritime	6,721			6,421			11,719			11,210
Detection	9,963			9,380			17,843			12,059
Other	(16,048		)	(18,358		)	(32,673		)	(30,897		)
	$	65,212		$	70,531		$	122,589		$	136,285



	June 30, 2016		December 31, 2015
Segment assets (accounts receivable, net and inventories):
Surveillance	$	255,484	$	285,602
Instruments	105,306		130,363
Security	92,960		105,737
OEM & Emerging Markets	111,703		93,925
Maritime	73,414		73,506
Detection	27,849		30,057
	$	666,716	$	719,190

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):