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Risks and Uncertainties | 12 Months Ended
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Dec. 28, 2013
Risks and Uncertainties |
Risks and Uncertainties | 8. Risks and Uncertainties Financial Instruments Financial instruments that potentially subject the Company to significant concentrations of credit risk consist primarily of cash equivalents, investments, accounts receivable and derivatives. The Company places its cash equivalents and investments primarily in municipal bonds, money market funds, variable-rate demand notes, corporate bonds, auction-rate securities, certificates of deposit, commercial paper and asset backed securities. Concentrations of credit risk with respect to accounts receivable are primarily due to customers with large outstanding balances. The Company's customers that accounted for greater than 10% of accounts receivable consisted of the following:
|  | December 28, 2013 |  | December 29, 2012 |
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Edom Technology |  |  | 26 | % |  | 23 | %
Arrow Electronics |  |  | 10 | % |  | ** |
Avnet |  |  | ** |  |  | 12 | %
** Less than 10% of accounts receivable The Company performs periodic credit evaluations of its customers' financial condition and generally requires no collateral from its customers. The Company provides an allowance for potential credit losses based upon the expected collectibility of such receivables. Losses have not been significant for any of the periods presented. Distributor Advances On sales to distributors, the Company's payment terms often require the distributor to initially pay amounts owed to the Company for an amount in excess of their ultimate cost. The Company's sales price to its distributors may be higher than the amount that the distributors will ultimately owe the Company because distributors often negotiate price reductions after purchasing the product from the Company and such reductions are often significant. These negotiated price discounts are not granted until the distributor sells the product to the end customer, which may occur after the distributor has paid the original invoice amount to the Company. Payment of invoices prior to receiving an associated discount can have an adverse impact on the working capital of the Company's distributors. Accordingly, the Company has entered into agreements with certain distributors whereby it advances cash to the distributors to reduce the distributor's working capital requirements. The advance amounts are based on the distributor's inventory balance, and are adjusted quarterly. Such amounts are recorded in prepaid expenses and other current assets in the Consolidated Balance Sheet. The terms of these advances are set forth in binding legal agreements and are unsecured, bear no interest on unsettled balances and are due upon demand. The agreements governing these advances can be cancelled by the Company at any time. Suppliers A significant portion of the Company's products are fabricated by Taiwan Semiconductor Manufacturing Co. (TSMC) or its affiliates. The inability of TSMC to deliver wafers to the Company on a timely basis could impact the production of the Company's products for a substantial period of time, which could have a material adverse effect on the Company's business, financial condition and results of operations. Customers The Company sells directly to end customers, distributors and contract manufacturers. Although the Company actually sells the products to, and is paid by, distributors and contract manufacturers, the Company refers to the end customer as its customer. None of the Company's contract manufacturers accounted for greater than 10% of revenue during fiscal 2013, 2012 or 2011. The Company's end customers and distributors that accounted for greater than 10% of revenue consisted of the following:
|  | Year Ended |
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|  | December 28, 2013 |  | December 29, 2012 |  | December 31, 2011 |
End Customers |  |  |  |  |  |  |  |  |  |
Samsung* |  |  | 15 | % |  | 19 | % |  | 13 | %
Distributors |  |  |  |  |  |  |  |  |  |
Edom Technology |  |  | 21 | % |  | 22 | % |  | 24 | %
Avnet |  |  | 11 | % |  | 11 | % |  | 12 | %
Macnica |  |  | ** |  |  | ** |  |  | 10 | %
* Samsung's purchases were across a variety of product areas. ** Less than 10% of revenue

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6327-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6442-108592 + Details
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