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NET INCOME PER SHARE (Tables) | 6 Months Ended
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Dec. 31, 2020
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 |  | Six Months Ended
(In thousands, except per share amounts) | December 31, |  | December 31,
2020 |  | 2019 |  | 2020 |  | 2019
Numerator: |  |  |  |  |  |  |
Net income attributable to KLA | $ | 457,251 |  |  | $ | 380,555 |  |  | $ | 877,818 |  |  | $ | 727,080 |
Denominator: |  |  |  |  |  |  |
Weighted-average shares - basic, excluding unvested restricted stock units | 154,273 |  |  | 157,290 |  |  | 154,777 |  |  | 157,994 |
Effect of dilutive restricted stock units and options | 1,287 |  |  | 1,330 |  |  | 1,280 |  |  | 1,320 |
Weighted-average shares - diluted | 155,560 |  |  | 158,620 |  |  | 156,057 |  |  | 159,314 |
Basic net income per share attributable to KLA | $ | 2.96 |  |  | $ | 2.42 |  |  | $ | 5.67 |  |  | $ | 4.60 |
Diluted net income per share attributable to KLA | $ | 2.94 |  |  | $ | 2.40 |  |  | $ | 5.62 |  |  | $ | 4.56 |
Anti-dilutive securities excluded from the computation of diluted net income per share | — |  |  | 43 |  |  | — |  |  | 25 |

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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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