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NET INCOME PER SHARE (Tables) | 9 Months Ended
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Mar. 31, 2021
Earnings Per Share [Abstract] |
Schedule of Computation of Basic and Diluted Net Income (Loss) Per Share | The following table sets forth the computation of basic and diluted net income per share attributable to KLA:
| Three Months Ended |  | Nine Months Ended
(In thousands, except per share amounts) | March 31, |  | March 31,
2021 |  | 2020 |  | 2021 |  | 2020
Numerator: |  |  |  |  |  |  |
Net income attributable to KLA | $ | 567,496 |  |  | $ | 78,452 |  |  | $ | 1,445,314 |  |  | $ | 805,532 |
Denominator: |  |  |  |  |  |  |
Weighted-average shares - basic, excluding unvested restricted stock units | 153,801 |  |  | 156,067 |  |  | 154,457 |  |  | 157,356 |
Effect of dilutive restricted stock units and options | 1,358 |  |  | 1,105 |  |  | 1,332 |  |  | 1,230 |
Weighted-average shares - diluted | 155,159 |  |  | 157,172 |  |  | 155,789 |  |  | 158,586 |
Basic net income per share attributable to KLA | $ | 3.69 |  |  | $ | 0.50 |  |  | $ | 9.36 |  |  | $ | 5.12 |
Diluted net income per share attributable to KLA | $ | 3.66 |  |  | $ | 0.50 |  |  | $ | 9.28 |  |  | $ | 5.08 |
Anti-dilutive securities excluded from the computation of diluted net income per share | — |  |  | 1 |  |  | — |  |  | 42 |

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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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