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Revenues | 12 Months Ended
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Jan. 02, 2021
Revenues |
Revenues | 14. Revenues The Company groups its revenues into two categories, based on the markets and applications in which its products may be used. The following disaggregates the Company's revenue by product category (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Year Ended
​ | ​ | January 2, |  | December 28, |  | December 29,
​ | ​ | 2021 | ​ | 2019 | ​ | 2018
Internet of Things | ​ | $ | 513,670 | ​ | $ | 488,156 | ​ | $ | 463,838
Infrastructure and automotive | ​ |  | 373,007 | ​ |  | 349,398 | ​ |  | 404,429
​ | ​ | $ | 886,677 | ​ | $ | 837,554 | ​ | $ | 868,267
​ 14. Revenues (Continued) The Company has combined its previous product groups, Infrastructure, Broadcast and Access, into the Infrastructure and automotive product group. Prior periods were retrospectively adjusted. A portion of the Company's sales are made to distributors under agreements allowing certain rights of return and/or price protection related to the final selling price to the end customers. These factors impact the timing and uncertainty of revenues and cash flows. The Company recognized revenue of $17.7 million, $17.6 million and $24.3 million during fiscal 2020, 2019 and 2018, respectively, from performance obligations that were satisfied in previous reporting periods. ​ The following disaggregates the Company's revenue by sales channel (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Year Ended
​ | ​ | January 2, |  | December 28, |  | December 29,
​ |  | 2021 |  | 2019 |  | 2018
Distributors | ​ | $ | 696,019 | ​ | $ | 610,410 | ​ | $ | 618,989
Direct customers | ​ |  | 190,658 | ​ |  | 227,144 | ​ |  | 249,278
​ | ​ | $ | 886,677 | ​ | $ | 837,554 | ​ | $ | 868,267
​ The Company periodically reviews the assumptions used to estimate consideration it will be entitled to receive from customers. In fiscal 2020, the Company adjusted certain assumptions used to estimate the constraint on variable consideration based on an analysis of prior period estimates versus actual experience. These updated assumptions and resulting revision in estimates of variable consideration increased revenue by $11.9 million in the fourth quarter of fiscal 2020.

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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130550-203045 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130558-203045 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 + Details
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