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, 2023
Sep. 30, 2023
Dec. 31, 2022
Sep. 30, 2022
Dec. 31, 2023
Dec. 31, 2022
Numerator:            
Net income $ 582,534 $ 741,375 $ 978,795 $ 1,025,991 $ 1,323,909 $ 2,004,786
Denominator:            
Weighted-average shares - basic, excluding unvested RSU's (in shares) 135,539   141,299   135,976 141,564
Effect of dilutive RSUs and options (in shares) 715   667   708 704
Weighted-average shares - diluted (in shares) 136,254   141,966   136,684 142,268
Basic net income per share attributable to KLA (in dollars per share) $ 4.30   $ 6.93   $ 9.74 $ 14.16
Diluted net income per share attributable to KLA (in dollars per share) $ 4.28   $ 6.89   $ 9.69 $ 14.09
Anti-dilutive securities excluded from the computation of diluted net income per share (in shares) 0   331   0 271