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Revenue (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Disaggregate of Revenue by Reportable Segment and Revenue Category

The following tables disaggregate our revenue by category for the years ended December 31, 2022, 2021 and 2020:

		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

		2020
(In thousands)		Network Solutions				Services & Support				Total
Subscriber Solutions		$	163,349			$	15,315			$	178,664
Access & Aggregation Solutions			274,666				53,180				327,846
Optical Networking Solutions			—				—				—
Total		$	438,015			$	68,495			$	506,510

Information about Receivable, Contract Assets, and Unearned Revenue from Contracts with Customers

The following table provides information about accounts receivable, contract assets and unearned revenue from contracts with customers:

(In thousands)		December 31, 2022				December 31, 2021
Accounts receivable		$	279,435			$	158,742
Contract assets(1)		$	1,852			$	464
Unearned revenue		$	41,193			$	17,737
Non-current unearned revenue		$	19,239			$	9,271

(1) Included in other receivables on the Consolidated Balance Sheets.

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- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-10

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-5

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