KLA Corporation Annual report [Section 13 and 15(d), not S-K Item 405]

SEGMENT REPORTING AND GEOGRAPHIC INFORMATION - Long-lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
Land, property and equipment, net	$ 1,252,775	$ 1,109,968
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Land, property and equipment, net	728,162	689,937
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Land, property and equipment, net	253,848	155,812
Singapore
Revenues from External Customers and Long-Lived Assets [Line Items]
Land, property and equipment, net	153,052	148,557
Israel
Revenues from External Customers and Long-Lived Assets [Line Items]
Land, property and equipment, net	68,604	84,279
Rest of Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Land, property and equipment, net	$ 49,109	$ 31,383