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 6 Months Ended
Dec. 31, 2022
Sep. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Dec. 31, 2022
Dec. 31, 2021
Numerator:            
Net income attributable to KLA $ 978,795 $ 1,025,991 $ 717,444 $ 1,068,417 $ 2,004,786 $ 1,785,861
Denominator:            
Weighted-average shares - basic, excluding unvested RSU's (in shares) 141,299   151,251   141,564 151,791
Effect of dilutive RSUs and options (in shares) 667   1,080   704 1,095
Weighted-average shares - diluted (in shares) 141,966   152,331   142,268 152,886
Basic net income per share attributable to KLA (in dollars per share) $ 6.93   $ 4.74   $ 14.16 $ 11.77
Diluted net income per share attributable to KLA (in dollars per share) $ 6.89   $ 4.71   $ 14.09 $ 11.68
Anti-dilutive securities excluded from the computation of diluted net income per share (in shares) 331   0   271 5