Quarterly report pursuant to Section 13 or 15(d)

NET INCOME PER SHARE (Details)

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NET INCOME PER SHARE (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2021
Mar. 31, 2023
Mar. 31, 2022
Numerator:                
Net income attributable to KLA $ 697,837 $ 978,795 $ 1,025,991 $ 730,572 $ 717,444 $ 1,068,417 $ 2,702,623 $ 2,516,433
Denominator:                
Weighted-average shares - basic, excluding unvested RSU's (in shares) 137,865     150,145     140,349 151,250
Effect of dilutive RSUs and options (in shares) 780     1,041     724 1,096
Weighted-average shares - diluted (in shares) 138,645     151,186     141,073 152,346
Basic net income per share attributable to KLA (in dollars per share) $ 5.06     $ 4.87     $ 19.26 $ 16.64
Diluted net income per share attributable to KLA (in dollars per share) $ 5.03     $ 4.83     $ 19.16 $ 16.52
Anti-dilutive securities excluded from the computation of diluted net income per share (in shares) 12     10     226 9