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Revenue | 12 Months Ended
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Sep. 27, 2019
Revenue [Abstract] |
Revenue | REVENUE Disaggregation of Revenue We disaggregate revenue from contracts with customers by markets and geography, as we believe it best depicts how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors. The following tables present our revenue disaggregated by markets and geography (in thousands):
| Fiscal Years
| 2019 |  | 2018 |  | 2017
Telecom | $ | 180,938 |  |  | $ | 222,940 |  |  | $ | 340,022 |
Data Center | 114,132 |  |  | 162,098 |  |  | 172,481 |
Industrial & Defense | 204,638 |  |  | 185,360 |  |  | 186,269 |
Total | $ | 499,708 |  |  | $ | 570,398 |  |  | $ | 698,772 |
| Fiscal Years
Revenue by Geographic Region | 2019 |  | 2018 |  | 2017
United States | $ | 239,510 |  |  | $ | 272,951 |  |  | $ | 265,038 |
China | 132,329 |  |  | 159,763 |  |  | 206,136 |
Asia Pacific, excluding China (1) | 80,136 |  |  | 79,581 |  |  | 170,826 |
Other Countries (2) | 47,733 |  |  | 58,103 |  |  | 56,772 |
Total | $ | 499,708 |  |  | $ | 570,398 |  |  | $ | 698,772 |
(1) | Asia Pacific represents Taiwan, Japan, Singapore, India, Thailand, South Korea, Australia, Malaysia, New Zealand and the Philippines.
(2) | No international country or region represented greater than 10% of the total revenue as of the dates presented, other than China and the Asia Pacific region as presented above.
Contract Balances We record contract assets or contract liabilities depending on the timing of revenue recognition, billings and cash collections on a contract-by-contract basis. Our contract liabilities primarily relate to deferred revenue, including advance consideration received from customers for contracts prior to the transfer of control to the customer, and therefore revenue is recognized upon delivery of products and services or as the services are performed. The following table presents the changes in contract liabilities during fiscal year 2019 (in thousands):
| September 27, 2019 |  | September 28, 2018 |  | $ Change |  | % Change
Contract liabilities | $ | 10,653 |  |  | $ | 7,757 |  |  | $ | 2,896 |  |  | 37 | %
As of September 27, 2019, approximately $8.5 million of our contract liabilities were recorded as other long-term liabilities on our Balance Sheet with the remainder recorded as deferred revenue. The increase in contract liabilities during the fiscal year ended September 27, 2019 was primarily from the deferral of revenue for funds received prior to when certain of our customers obtain control of the product or services, partially offset by the recognition of $7.0 million associated with a license contract. During the fiscal year ended September 27, 2019, we recognized the following net sales as a result of changes in the contract liabilities balance (in thousands):
| September 27, 2019
Net revenue recognized in the period from: |
Amounts included in contract liabilities at the beginning of the period | $ | 7,646 |

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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