KLA Corporation Quarterly report [Sections 13 or 15(d)]

SEGMENT REPORTING AND GEOGRAPHIC INFORMATION - Land, Property and Equipment, Net by Geographic Region (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Jun. 30, 2026
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset
Land, property and equipment, net	$ 1,541,331	$ 1,380,550
United States
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset
Land, property and equipment, net	769,142	771,331
Europe
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset
Land, property and equipment, net	296,056	289,614
Singapore
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset
Land, property and equipment, net	225,151	191,534
Rest of Asia
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset
Land, property and equipment, net	192,607	73,110
Israel
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset
Land, property and equipment, net	$ 58,375	$ 54,961