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EQUITY-BASED COMPENSATION PLANS | 3 Months Ended
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Sep. 24, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
EQUITY-BASED COMPENSATION PLANS | EQUITY-BASED COMPENSATION PLANS The Lam Research Corporation 2015 Stock Incentive Plan, as amended (the “2015 Plan”), provides for the grant of non-qualified equity-based awards of the Company’s Common Stock to eligible employees and non-employee directors, including stock options, restricted stock units (“RSUs”), and market-based performance RSUs (“market-based PRSUs”). An option is a right to purchase Common Stock at a set price. An RSU award is an agreement to issue a set number of shares of Common Stock at the time of vesting. The Company’s market-based PRSUs contain both a market condition and a service condition. The Company’s options, RSU, and market-based PRSU awards typically vest over a period of three years. The Company also has an employee stock purchase plan that allows employees to purchase its Common Stock at a discount through payroll deductions. The Company recognized the following equity-based compensation expense and related income tax benefit in the Condensed Consolidated Statements of Operations:
| Three Months Ended
| September 24, 2017 |  | September 25, 2016
| (in thousands)
Equity-based compensation expense | $ | 41,783 |  |  | $ | 38,595 |
Income tax benefit recognized related to equity-based compensation expense | $ | 13,387 |  |  | $ | 10,905 |
The estimated fair value of the Company’s stock-based awards, less expected forfeitures, is amortized over the awards’ vesting term on a straight-line basis. In the first quarter of fiscal year 2018, the Company adopted ASU 2016-9, “Compensation – Stock Compensation,” as discussed further in Note 2.

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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 + Details
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