Annual report pursuant to Section 13 and 15(d)

NET INCOME PER SHARE (Details)

v3.21.2
NET INCOME PER SHARE (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Numerator:                      
Net income attributable to KLA $ 632,978 $ 567,496 $ 457,251 $ 420,567 $ 411,253 $ 78,452 $ 380,555 $ 346,525 $ 2,078,292 $ 1,216,785 $ 1,175,617
Denominator:                      
Weighted-average shares-basic, excluding unvested restricted stock units (in shares)                 154,086 156,797 156,053
Effect of dilutive options and restricted stock units and options (in shares)                 1,351 1,208 896
Weighted-average shares-diluted (in shares)                 155,437 158,005 156,949
Basic net income per share attributable to KLA (in dollars per share) $ 4.14 $ 3.69 $ 2.96 $ 2.71 $ 2.65 $ 0.50 $ 2.42 $ 2.18 $ 13.49 $ 7.76 $ 7.53
Diluted net income per share attributable to KLA (in dollars per share) $ 4.10 $ 3.66 $ 2.94 $ 2.69 $ 2.63 $ 0.50 $ 2.40 $ 2.16 $ 13.37 $ 7.70 $ 7.49
Anti-dilutive securities excluded from the computation of diluted net income per share (in shares)                 11 22 227