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Segment Information and Major Customers (Tables)

12 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Revenue and Gross Profit of Reportable Segments

The following table presents information about revenue and gross profit of our reportable segments for each of the years ended December 31, 2023, 2022 and 2021:

		2023								2022								2021
(In thousands)		Revenue				Gross Profit				Revenue				Gross Profit				Revenue				Gross Profit
Network Solutions		$	974,389			$	227,494			$	916,793			$	269,688			$	498,834			$	190,993
Services & Support			174,711				105,569				108,743				57,564				64,170				27,384
Total		$	1,149,100			$	333,063			$	1,025,536			$	327,252			$	563,004			$	218,377

Disaggregate of Revenue by Reportable Segment and Revenue Category

The following tables disaggregate our revenue by category for the years ended December 31, 2023, 2022 and 2021:

		2023
(In thousands)		Network Solutions				Services & Support				Total
Subscriber Solutions		$	263,192			$	34,516			$	297,708
Access & Aggregation Solutions			304,074				54,344				358,418
Optical Networking Solutions			407,123				85,851				492,974
Total		$	974,389			$	174,711			$	1,149,100

		2022
(In thousands)		Network Solutions				Services & Support				Total
Subscriber Solutions		$	364,238			$	26,216			$	390,454
Access & Aggregation Solutions			326,934				47,068				374,002
Optical Networking Solutions			225,621				35,459				261,080
Total		$	916,793			$	108,743			$	1,025,536

		2021
(In thousands)		Network Solutions				Services & Support				Total
Subscriber Solutions		$	189,825			$	16,385			$	206,210
Access & Aggregation Solutions			309,009				47,785				356,794
Optical Networking Solutions			—				—				—
Total		$	498,834			$	64,170			$	563,004

Revenue Information by Geographic Area

The following table presents revenue information by geographic area for the years ended December 31, 2023, 2022 and 2021:

(In thousands)		2023				2022				2021
United States		$	460,985			$	517,433			$	374,600
United Kingdom			214,655				189,685				56,355
Germany			230,922				146,797				65,229
Other international			242,538				171,621				66,820
Total		$	1,149,100			$	1,025,536			$	563,004

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