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Net Income Per Share (Tables) | 12 Months Ended
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Jun. 30, 2019
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Net Income Per Share | The following table sets forth the computation of basic and diluted net income per share attributable to KLA:
(In thousands, except per share amounts) | Year ended June 30,
2019 |  | 2018 |  | 2017
Numerator: |  |  |  |  |
Net income attributable to KLA | $ | 1,175,617 |  |  | $ | 802,265 |  |  | $ | 926,076 |
Denominator: |  |  |  |  |
Weighted-average shares-basic, excluding unvested restricted stock units | 156,053 |  |  | 156,346 |  |  | 156,468 |
Effect of dilutive restricted stock units and options | 896 |  |  | 1,032 |  |  | 1,013 |
Weighted-average shares-diluted | 156,949 |  |  | 157,378 |  |  | 157,481 |
Basic net income per share attributable to KLA | $ | 7.53 |  |  | $ | 5.13 |  |  | $ | 5.92 |
Diluted net income per share attributable to KLA | $ | 7.49 |  |  | $ | 5.10 |  |  | $ | 5.88 |
Anti-dilutive securities excluded from the computation of diluted net income per share | 227 |  |  | — |  |  | 46 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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