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Fair Value Of Financial Instruments | 12 Months Ended
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Mar. 30, 2013
Fair Value Of Financial Instruments [Abstract] |
Fair Value Of Financial Instruments | 4. Fair Value of Financial Instruments The Company has determined that the only assets and liabilities in the Company’s financial statements that are required to be measured at fair value on a recurring basis are the Company’s investment portfolio assets. The Company defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The Company applies the following fair value hierarchy, which prioritizes the inputs used to measure fair value into three levels and bases the categorization within the hierarchy upon the lowest level of input that is available and significant to the fair value measurement. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements).
| • |  | Level 1 — Quoted prices in active markets for identical assets or liabilities.
| • |  | Level 2 — Inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.
| • |  | Level 3 — Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.
The Company’s investment portfolio assets consist of corporate debt securities, money market funds, U.S. Treasury securities, obligations of U.S. government-sponsored enterprises, and commercial paper, and are reflected on our consolidated balance sheet under the headings cash and cash equivalents, marketable securities, and long-term marketable securities. The Company determines the fair value of its investment portfolio assets by obtaining non-binding market prices from its third-party portfolio managers on the last day of the quarter, whose sources may use quoted prices in active markets for identical assets (Level 1 inputs) or inputs other than quoted prices that are observable either directly or indirectly (Level 2 inputs) in determining fair value. As of March 30, 2013 and March 31, 2012, the Company classified all investment portfolio assets as Level 1 or Level 2 assets. The Company has no Level 3 assets. There were no transfers between Level 1, Level 2, or Level 3 measurements for the years ending March 30, 2013 and March 31, 2012. The fair value of our financial assets at March 30, 2013, was determined using the following inputs (in thousands):
| Quoted Prices |  |  |  |  |  |
| in Active |  | Significant |  |  |  |
| Markets for |  | Other |  | Significant |  |
| Identical |  | Observable |  | Unobservable |  |
| Assets |  | Inputs |  | Inputs |  |
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash equivalents |  |  |  |  |  |  |  |  |  |  |
Money market funds | $ | 54,762 |  | $ | - |  | $ | - |  | $ | 54,762
Commercial paper |  | - |  |  | 1,500 |  |  | - |  |  | 1,500
| $ | 54,762 |  | $ | 1,500 |  | $ | - |  | $ | 56,262
Available-for-sale securities |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities | $ | - |  | $ | 94,667 |  | $ | - |  | $ | 94,667
U.S. Treasury securities |  | 34,381 |  |  | - |  |  | - |  |  | 34,381
Agency discount notes |  | - |  |  | 1,027 |  |  | - |  |  | 1,027
Commercial paper |  | - |  |  | 40,070 |  |  | - |  |  | 40,070
| $ | 34,381 |  | $ | 135,764 |  | $ | - |  | $ | 170,145
The fair value of our financial assets at March 31, 2012, was determined using the following inputs (in thousands):
| Quoted Prices |  |  |  |  |  |
| in Active |  | Significant |  |  |  |
| Markets for |  | Other |  | Significant |  |
| Identical |  | Observable |  | Unobservable |  |
| Assets |  | Inputs |  | Inputs |  |
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash equivalents |  |  |  |  |  |  |  |  |  |  |
Money market funds | $ | 40,557 |  | $ | - |  | $ | - |  | $ | 40,557
Commercial paper |  | - |  |  | 15,952 |  |  | - |  |  | 15,952
Corporate debt securities |  | - |  |  | 1,112 |  |  | - |  |  | 1,112
| $ | 40,557 |  | $ | 17,064 |  | $ | - |  | $ | 57,621
Available-for-sale securities |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities | $ | - |  | $ | 48,025 |  | $ | - |  | $ | 48,025
U.S. Treasury securities |  | 30,261 |  |  | - |  |  | - |  |  | 30,261
Agency discount notes |  | - |  |  | 16,796 |  |  | - |  |  | 16,796
Commercial paper |  | - |  |  | 23,709 |  |  | - |  |  | 23,709
| $ | 30,261 |  | $ | 88,530 |  | $ | - |  | $ | 118,791

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13504-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15C, 15D -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44A, 44B -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15A -Subparagraph a-d -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 3, 10, 14, 15 -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 17-22, 27, 28 -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. 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