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Fair Value Measurements | 6 Months Ended
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Dec. 31, 2017
Fair Value Disclosures [Abstract] |
FAIR VALUE MEASUREMENTS | NOTE 2 – FAIR VALUE MEASUREMENTS The Company’s financial assets and liabilities are measured and recorded at fair value, except for its debt and certain equity investments in privately-held companies. These equity investments are generally accounted for under the cost method of accounting and are periodically assessed for other-than-temporary impairment when an event or circumstance indicates that an other-than-temporary decline in value may have occurred. The Company’s non-financial assets, such as goodwill, intangible assets, and land, property and equipment, are recorded at cost and are assessed for impairment when an event or circumstance indicates that an other-than-temporary decline in value may have occurred. Fair Value of Financial Instruments. KLA-Tencor has evaluated the estimated fair value of financial instruments using available market information and valuations as provided by third-party sources. The use of different market assumptions and/or estimation methodologies could have a significant effect on the estimated fair value amounts. The fair value of the Company’s cash equivalents, accounts receivable, accounts payable and other current assets and liabilities approximate their carrying amounts due to the relatively short maturity of these items. Fair Value Hierarchy. The authoritative guidance for fair value measurements establishes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. 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). The three levels of the fair value hierarchy are described below:
Level 1 |  | Valuations based on quoted prices in active markets for identical assets or liabilities that the entity has the ability to access.
Level 2 |  | Valuations based on 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 data for substantially the full term of the assets or liabilities.
Level 3 |  | Valuations based on inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.
A financial instrument’s level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement. The Company’s financial instruments were classified within Level 1 or Level 2 of the fair value hierarchy as of December 31, 2017, because they were valued using quoted market prices, broker/dealer quotes or alternative pricing sources with observable levels of price transparency. As of December 31, 2017, the types of instruments valued based on quoted market prices in active markets included money market funds, certain U.S. Treasury securities and U.S. Government agency securities. Such instruments are generally classified within Level 1 of the fair value hierarchy. As of December 31, 2017, the types of instruments valued based on other observable inputs included corporate debt securities, U.S. Treasury securities and sovereign securities. The market inputs used to value these instruments generally consist of market yields, reported trades and broker/dealer quotes. Such instruments are generally classified within Level 2 of the fair value hierarchy. The principal market in which the Company executes its foreign currency contracts is the institutional market in an over-the-counter environment with a relatively high level of price transparency. The market participants generally are large financial institutions. The Company’s foreign currency contracts’ valuation inputs are based on quoted prices and quoted pricing intervals from public data sources and do not involve management judgment. These contracts are typically classified within Level 2 of the fair value hierarchy. Financial assets (excluding cash held in operating accounts and time deposits) and liabilities measured at fair value on a recurring basis, as of the date indicated below, were presented on the Company’s Condensed Consolidated Balance Sheet as follows:
As of December 31, 2017 (In thousands) | Total |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2)
Assets |  |  |  |  |
Cash equivalents: |  |  |  |  |
Money market funds and other | $ | 569,287 |  |  | $ | 569,287 |  |  | $ | — |
U.S. Treasury securities | 3,745 |  |  | — |  |  | 3,745 |
Marketable securities: |  |  |  |  |
Corporate debt securities | 914,358 |  |  | — |  |  | 914,358 |
Sovereign securities | 11,427 |  |  | — |  |  | 11,427 |
U.S. Treasury securities | 404,983 |  |  | 394,486 |  |  | 10,497 |
U.S. Government agency securities | 339,730 |  |  | 339,730 |  |  | — |
Total cash equivalents and marketable securities(1) | 2,243,530 |  |  | 1,303,503 |  |  | 940,027 |
Other current assets: |  |  |  |  |
Derivative assets | 4,474 |  |  | — |  |  | 4,474 |
Other non-current assets: |  |  |  |  |
Executive Deferred Savings Plan | 192,169 |  |  | 142,809 |  |  | 49,360 |
Total financial assets(1) | $ | 2,440,173 |  |  | $ | 1,446,312 |  |  | $ | 993,861 |
Liabilities |  |  |  |  |
Other current liabilities: |  |  |  |  |
Derivative liabilities | $ | (415 | ) |  | $ | — |  |  | $ | (415 | )
Total financial liabilities | $ | (415 | ) |  | $ | — |  |  | $ | (415 | )
________________ (1) Excludes cash of $481.1 million held in operating accounts and time deposits of $33.6 million as of December 31, 2017. Financial assets (excluding cash held in operating accounts and time deposits) and liabilities measured at fair value on a recurring basis, as of the date indicated below, were presented on the Company’s Condensed Consolidated Balance Sheet as follows:
As of June 30, 2017 (In thousands) | Total |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2)
Assets |  |  |  |  |
Cash equivalents: |  |  |  |  |
Corporate debt securities | $ | 76,472 |  |  | $ | — |  |  | $ | 76,472 |
Money market funds and other | 616,039 |  |  | 616,039 |  |  | — |
U.S. Government agency securities | 117,417 |  |  | — |  |  | 117,417 |
Sovereign securities | 10,050 |  |  | — |  |  | 10,050 |
Marketable securities: |  |  |  |  |
Corporate debt securities | 1,042,723 |  |  | — |  |  | 1,042,723 |
Sovereign securities | 42,515 |  |  | — |  |  | 42,515 |
U.S. Government agency securities | 391,409 |  |  | 368,121 |  |  | 23,288 |
U.S. Treasury securities | 373,299 |  |  | 373,299 |  |  | — |
Total cash equivalents and marketable securities(1) | 2,669,924 |  |  | 1,357,459 |  |  | 1,312,465 |
Other current assets: |  |  |  |  |
Derivative assets | 5,931 |  |  | — |  |  | 5,931 |
Other non-current assets: |  |  |  |  |
Executive Deferred Savings Plan | 182,150 |  |  | 136,145 |  |  | 46,005 |
Total financial assets(1) | $ | 2,858,005 |  |  | $ | 1,493,604 |  |  | $ | 1,364,401 |
Liabilities |  |  |  |  |
Other current liabilities: |  |  |  |  |
Derivative liabilities | $ | (1,275 | ) |  | $ | — |  |  | $ | (1,275 | )
Total financial liabilities | $ | (1,275 | ) |  | $ | — |  |  | $ | (1,275 | )
________________ (1) Excludes cash of $307.4 million held in operating accounts and time deposits of $39.4 million as of June 30, 2017. There were no transfers between Level 1 and Level 2 fair value measurements during the six months ended December 31, 2017. The Company generally did not have any assets or liabilities measured at fair value on a recurring basis within Level 3 fair value measurements as of December 31, 2017 or June 30, 2017.

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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 820 -URI http://asc.fasb.org/topic&trid=2155941 + Details
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