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Segment Information
 12 Months Ended
Oct. 02, 2020
Segment Reporting [Abstract]  
SEGMENT INFORMATION AND CONCENTRATIONS
14.     SEGMENT INFORMATION AND CONCENTRATIONS

The Company has a single reportable operating segment which designs, develops, manufactures, and markets similar proprietary semiconductor products, including intellectual property. In reaching this conclusion, management considers the definition of the chief operating decision maker (“CODM”), how the business is defined by the CODM, the nature of the information provided to the CODM and how that information is used to make operating decisions, allocate resources, and assess performance. The Company’s CODM is the president and chief executive officer. The results of operations provided to and analyzed by the CODM are at the consolidated level and accordingly, key resource decisions and assessment of performance are performed at the consolidated level. The Company assesses its determination of operating segments at least annually.
Geographic Information
The Company presents net revenue by geographic area based upon the location of the OEMs’ headquarters as it believes that doing so best depicts how the nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factors. Net revenue by geographic area is as follows (in millions):
Fiscal Years Ended
October 2,
2020		September 27,
2019		September 28,
2018
United States$2,012.8 $1,860.4 $1,946.2 
China700.7 718.7 982.8 
South Korea254.6 365.5 432.7 
Taiwan240.4 271.1 339.1 
Europe, Middle East, and Africa122.9 134.9 144.6 
Other Asia-Pacific24.3 26.2 22.6 
Total$3,355.7 $3,376.8 $3,868.0 
The Company’s revenue from external customers is generated principally from the sale of semiconductor products that facilitate various wireless communication applications. Accordingly, the Company considers its product offerings to be similar in nature and therefore not segregated for reporting purposes. Accrued customer liabilities of $20.3 million and $38.5 million have been included in other current liabilities within the consolidated balance sheets as of October 2, 2020 and September 27, 2019, respectively.

Net property, plant, and equipment balances, based on the physical locations within the indicated geographic areas are as follows (in millions):
As of
October 2,
2020		September 27,
2019
Japan $507.0 $491.9 
Mexico 364.9 351.5 
Singapore237.4 229.9 
United States124.8 117.6 
Rest of world15.4 14.7 
$1,249.5 $1,205.6 

Concentrations
Financial instruments that potentially subject the Company to concentration of credit risk consist principally of trade accounts receivable. Trade accounts receivable are primarily derived from sales to manufacturers of communications and consumer products and electronic component distributors. The Company performs ongoing credit evaluations of customers.

In fiscal 2020, 2019, and 2018, Apple, through sales to multiple distributors, contract manufacturers and direct sales for multiple applications including smartphones, tablets, desktop, and notebook computers, watches and other devices, in the aggregate accounted for 56%, 51%, and 47% of the Company’s net revenue, respectively.

At October 2, 2020, the Company’s three largest accounts receivable balances comprised 70% of aggregate gross accounts receivable. This concentration was 67% and 66% at September 27, 2019, and September 28, 2018, respectively.