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Revenue (Tables)

12 Months Ended

Dec. 31, 2018

Revenue From Contract With Customer [Abstract]

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

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

(In thousands)	December 31, 2018		January 1, 2018
Accounts receivable	$	99,385	$	144,150
Contract assets	$	3,766	$	374
Unearned revenue	$	17,940	$	13,070
Non-current unearned revenue	$	5,296	$	4,556

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.}