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Revenue (Tables) | 12 Months Ended
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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.

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