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Segment Information | 12 Months Ended
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Sep. 30, 2011
Segment Reporting [Abstract] |
Segment Information | SEGMENT INFORMATION AND CONCENTRATIONS In accordance with ASC 280-Segment Reporting ("ASC 280"), the Company has one reportable operating segment which designs, develops, manufactures and markets proprietary semiconductor products, including intellectual property. ASC 280 establishes standards for the way public business enterprises report information about operating segments in annual financial statements and in interim reports to shareholders. The method for determining what information to report is based on management's use of financial information for the purposes of assessing performance and making operating decisions. In evaluating financial performance and making operating decisions, management primarily uses consolidated net revenue, gross profit, operating profit and earnings per share. The Company's business units share similar economic characteristics, long term business models, research and development expenses and selling, general and administrative expenses. In light of the recent acquisitions, the Company reassessed its operations and concluded that there has been no change and the Company continues to consider itself to have one reportable operating segment at September 30, 2011. The Company will re-assess its conclusions at least annually. GEOGRAPHIC INFORMATION Net revenues by geographic area are presented based upon the country of destination and are as follows (in thousands):
| Fiscal Years Ended
| September 30, 2011 |  | October 1, 2010 |  | October 2, 2009
United States | $ | 76,764 |  |  | $ | 115,610 |  |  | $ | 76,435 |
Other Americas | 38,863 |  |  | 36,724 |  |  | 26,078 |
Total Americas | 115,627 |  |  | 152,334 |  |  | 102,513 |
China | 914,678 |  |  | 628,858 |  |  | 414,208 |
South Korea | 148,370 |  |  | 144,758 |  |  | 174,744 |
Taiwan | 93,753 |  |  | 51,353 |  |  | 48,443 |
Other Asia-Pacific | 91,521 |  |  | 30,922 |  |  | 23,098 |
Total Asia-Pacific | 1,248,322 |  |  | 855,891 |  |  | 660,493 |
Europe, Middle East and Africa | 54,973 |  |  | 63,624 |  |  | 39,571 |
| $ | 1,418,922 |  |  | $ | 1,071,849 |  |  | $ | 802,577 |
The Company’s revenues by geography do not necessarily correlate to end market demand by region. For example, if the Company sells a power amplifier module to a customer in South Korea, the sale is recorded within the South Korea account although that customer, in turn, may integrate that module into a product sold to an end customer in a different geography. Net property, plant and equipment balances, including property held for sale, based on the physical locations within the indicated geographic areas are as follows (in thousands):
| As of
| September 30, 2011 |  | October 1, 2010
United States | $ | 114,492 |  |  | $ | 104,846 |
Mexico | 131,862 |  |  | 98,667 |
Other | 5,011 |  |  | 850 |
| $ | 251,365 |  |  | $ | 204,363 |
CONCENTRATIONS Financial instruments that potentially subject the Company to concentration of credit risk consist principally of trade accounts receivable. Trade accounts receivables are primarily derived from sales to manufacturers of communications and consumer products and electronic component distributors. Ongoing credit evaluations of customers’ financial condition are performed and collateral, such as letters of credit and bank guarantees, are required whenever deemed necessary. In both fiscal years 2011 and 2010 the Company had three customers, each with greater than ten percent of net revenue; Foxconn, Nokia and Samsung Electronics. In fiscal years 2009 the Company's greater than ten percent customers were Asian Information Technology, Samsung Electronics and Sony Ericsson Mobile Communications. The Company's greater than ten percent customers comprised the following percentages of net revenue:
|  | Fiscal Years Ended
|  | September 30, 2011 |  | October 1, 2010 |  | October 2, 2009
Company A |  | 27% |  | 13% |  | *
Company B |  | 13% |  | 12% |  | *
Company C |  | 11% |  | 13% |  | 15%
Company D |  | * |  | * |  | 12%
Company E |  | * |  | * |  | 11%
* Customer did not represent greater than ten percent of net revenue At September 30, 2011, the Company's three largest accounts receivable balances comprised 53% of aggregate gross accounts receivable. This concentration was 60% and 34% at October 1, 2010 and October 2, 2009, respectively.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8595-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8538-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8971-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8981-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8864-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8380-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8984-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8844-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9031-108599 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9054-108599 Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599 + Details
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