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NET INCOME PER SHARE | 6 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
NET INCOME PER SHARE | NET INCOME PER SHARE Basic net income per share is calculated by dividing net income available to common stockholders by the weighted-average number of common shares outstanding during the period. Diluted net income per share is calculated by using the weighted-average number of common shares outstanding during the period, increased to include the number of additional shares of common stock that would have been outstanding if the shares of common stock underlying our outstanding dilutive restricted stock units had been issued. The dilutive effect of outstanding restricted stock units is reflected in diluted net income per share by application of the treasury stock method. 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 The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
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