Quarterly report [Sections 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, 2026
Dec. 31, 2025
Sep. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Mar. 31, 2026
Mar. 31, 2025
Numerator:                
Net income $ 1,200,990 $ 1,145,682 $ 1,121,040 $ 1,088,416 $ 824,527 $ 945,851 $ 3,467,712 $ 2,858,794
Denominator:                
Weighted-average shares - basic, excluding unvested RSU's (in shares) 130,909     132,607     131,318 133,361
Effect of dilutive RSUs and options (in shares) 841     696     755 705
Weighted-average shares - diluted (in shares) 131,750     133,303     132,073 134,066
Basic net income per share (in dollars per share) $ 9.17     $ 8.21     $ 26.41 $ 21.44
Diluted net income per share (in dollars per share) $ 9.12     $ 8.16     $ 26.26 $ 21.32
Anti-dilutive securities excluded from the computation of diluted net income per share (in shares) 0     5     1 39