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Segment Information and Major Customers (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Sales and Gross Profit of Reportable Segments

The following table presents information about the reported sales and gross profit of our reportable segments for each of the years ended December 31, 2018, 2017 and 2016. Asset information by reportable segment is not reported, since we do not produce such information internally.

		2018								2017								2016
(In thousands)		Sales				Gross Profit				Sales				Gross Profit				Sales				Gross Profit
Network Solutions		$	458,232			$	179,303			$	540,396			$	260,833			$	525,502			$	254,797
Services & Support			71,045				24,262				126,504				42,802				111,279				36,533
Total		$	529,277			$	203,565			$	666,900			$	303,635			$	636,781			$	291,330

Disaggregate of Revenue by Major Source

The following table disaggregates our revenue by major source for the year ended December 31, 2018.

(In thousands)		Network Solutions				Services & Support				Total
Access & Aggregation		$	301,801			$	57,069			$	358,870
Subscriber Solutions & Experience (1)			129,067				5,393				134,460
Traditional & Other Products			27,364				8,583				35,947
Total		$	458,232			$	71,045			$	529,277

(1) Subscriber Solutions & Experience was formerly reported as Customer Devices. With the increasing focus on enhancing the customer experience for both our business and consumer broadband customers and the addition of SmartRG during the fourth quarter of 2018, Subscriber Solutions & Experience more accurately represents this revenue category.

The following tables disaggregates our revenue by major source for the years ended December 31, 2018, 2017 and 2016:

		2018
(In thousands)		Network Solutions				Services & Support				Total
Access & Aggregation		$	301,801			$	57,069			$	358,870
Subscriber Solutions & Experience (1)			129,067				5,393				134,460
Traditional & Other Products			27,364				8,583				35,947
Total		$	458,232			$	71,045			$	529,277

		2017
(In thousands)		Network Solutions				Services & Support				Total
Access & Aggregation		$	361,955			$	111,989			$	473,944
Subscriber Solutions & Experience (1)			132,294				6,162				138,456
Traditional & Other Products			46,147				8,353				54,500
Total		$	540,396			$	126,504			$	666,900

		2016
(In thousands)		Network Solutions				Services & Support				Total
Access & Aggregation		$	339,451			$	96,921			$	436,372
Subscriber Solutions & Experience (1)			130,645				6,963				137,608
Traditional & Other Products			55,406				7,395				62,801
Total		$	525,502			$	111,279			$	636,781

^{(1) Subscriber Solutions & Experience was formerly reported as Customer Devices. With the increasing focus on enhancing the customer experience for both our business and consumer broadband customers and the addition of SmartRG during the fourth quarter of 2018, Subscriber Solutions & Experience more accurately represents this revenue category.}

Sales Information by Geographic Area

The following table presents sales information by geographic area for the years ended December 31, 2018, 2017 and 2016:

(In thousands)		2018				2017				2016
United States		$	288,843			$	508,178			$	501,337
Germany			167,251				119,502				85,780
Other international			73,183				39,220				49,664
Total		$	529,277			$	666,900			$	636,781

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