Operating Segment, Geographic Information and Significant Customers (Tables)

12 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Geographic Distribution of Revenues and Long Lived Assets from Continuing Operations

The geographic distribution of the Company’s revenues as determined by order origination based on the country in which the Company's legal subsidiary is domiciled is summarized as follows:

	U.S.		Europe		Asia Pacific		Eliminations			Total
YEAR ENDED JUNE 30, 2018
Net revenues to unaffiliated customers	$	450,218	$	35,000	$	7,966	$	—		$	493,184
Inter-geographic revenues	10,650		925		—		(11,575		)	—
Net revenues	$	460,868	$	35,925	$	7,966	$	(11,575	)	$	493,184
Identifiable long-lived assets (1)	$	47,997	$	2,974	$	9	$	—		$	50,980
YEAR ENDED JUNE 30, 2017
Net revenues to unaffiliated customers	$	380,538	$	22,242	$	5,808	$	—		$	408,588
Inter-geographic revenues	7,637		44		—		(7,681		)	—
Net revenues	$	388,175	$	22,286	$	5,808	$	(7,681	)	$	408,588
Identifiable long-lived assets (1)	$	50,340	$	1,288	$	15	$	—		$	51,643
YEAR ENDED JUNE 30, 2016
Net revenues to unaffiliated customers	$	259,781	$	5,464	$	4,909	$	—		$	270,154
Inter-geographic revenues	7,911		447		—		(8,358		)	—
Net revenues	$	267,692	$	5,911	$	4,909	$	(8,358	)	$	270,154
Identifiable long-lived assets (1)	$	28,187	$	127	$	23	$	—		$	28,337

(1) Identifiable long-lived assets exclude goodwill and intangible assets.

Revenue from External Customers by Geographic Areas

The following table presents the Company's net revenue by end market for the periods presented:

	Year Ended June 30,
	2018		2017		2016
Domestic (1)	$	410,050	$	341,699	$	220,253
International/Foreign Military Sales (2)	83,134		66,889		49,901
Total Net Revenue	$	493,184	$	408,588	$	270,154

(1) Domestic revenues consist of sales where the end user is within the U.S., as well as sales to prime defense contractor customers where the ultimate end user location is not defined. 

(2) International/Foreign Military Sales consist of sales to U.S. prime defense contractor customers where the end user is outside the U.S., foreign military sales through the U.S. government, and direct sales to non-U.S. based customers intended for end use outside of the U.S.

Revenue from External Customers by Products and Services

The following table presents the Company's net revenue by end application for the periods presented:

	Year Ended June 30,
	2018		2017		2016
Radar (1)	$	159,737	$	150,441	$	140,289
Electronic Warfare (2)	114,801		106,446		72,118
Other Sensor and Effector (3)	48,088		27,719		12,494
Total Sensor and Effector	322,626		284,606		224,901
C4I (4)	87,414		31,679		3,472
Other (5)	83,144		92,303		41,781
Total Net Revenue	$	493,184	$	408,588	$	270,154

(1) Radar includes end-use applications where radio frequency signals are utilized to detect, track, and identify objects.

(2) Electronic Warfare includes end-use applications comprising the offensive and defensive use of the electromagnetic spectrum.

(3) Other Sensor and Effector products include all Sensor and Effector end markets other than Radar and Electronic Warfare.

(4) C4I includes rugged secure rackmount servers that are designed to drive the most powerful military processing applications.

(5) Other products include all component and other sales where the end use is not specified.

The following table presents the Company's net revenue by product grouping for the periods presented:

	Year Ended June 30,
	2018		2017		2016
Components (1)	$	142,982	$	105,669	$	31,252
Modules and Sub-assemblies (2)	194,377		161,973		126,777
Integrated Subsystems (3)	155,825		140,946		112,125
Total Net Revenue	$	493,184	$	408,588	$	270,154

Customers Comprising Ten Percent or more Revenues

Customers comprising 10% or more of the Company’s revenues for the periods shown below are as follows:

	Year Ended June 30,
	2018		2017		2016
Lockheed Martin Corporation	19	%	20	%	23	%
Raytheon Company	19		16		20
	38	%	36	%	43	%

Schedules of Concentration of Risk, by Risk Factor

Programs comprising 10% or more of the Company’s revenues for the periods shown below are as follows:

	Year Ended June 30,
	2018		2017		2016
SEWIP	*		*		12	%
Aegis	*		*		10	%
	—	%	—	%	22	%

*Indicates that the amount is less than 10% of the Company's revenues for the respective period. No programs were in excess of 10% of the Company's revenues for fiscal 2018 and 2017.