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Geographic and Significant Customer Information
 3 Months Ended
Dec. 31, 2021
Segment Reporting [Abstract]  
Geographic and Significant Customer Information GEOGRAPHIC AND SIGNIFICANT CUSTOMER INFORMATION
We have one reportable operating segment that designs, develops, manufactures and markets semiconductors and modules. The determination of the number of reportable operating segments is based on the chief operating decision maker’s (“CODM”) use of financial information provided for the purposes of assessing performance and making operating decisions. The Company's CODM is its President and Chief Executive Officer. In evaluating financial performance and making operating decisions, the CODM primarily uses consolidated metrics. The Company assesses its determination of operating segments at least annually. We continue to evaluate our internal reporting structure and the potential impact of any changes on our segment reporting.
For information about our revenue in different geographic regions, based upon customer locations, see Note 2 - Revenue. Information about net property and equipment in different geographic regions is presented below (in thousands):
December 31,
2021		October 1,
2021
United States$104,732 $103,527 
Europe (1)
12,295 12,766 
Other Countries (2)
3,746 4,233 
Total$120,773 $120,526 
(1)Europe primarily represents Finland, France, Germany, Ireland and Italy.
(2)Other than the United States and Europe, no country or region represented greater than 10% of the total net property and equipment as of the dates presented.
The following is a summary of customer concentrations as a percentage of revenue and accounts receivable as of and for the periods presented:
 Three Months Ended
RevenueDecember 31,
2021		January 1,
2021
Customer A— 14 %
Customer A did not represent more than 10% of our revenue in the three months ended December 31, 2021. No other customer represented more than 10% of revenue or accounts receivable in the periods presented in the accompanying condensed consolidated financial statements. For the three months ended December 31, 2021 and January 1, 2021, our top ten customers represented 44% and 55% of total revenue, respectively.