KLA Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Locations and Amounts of Designated and Non-Designated Derivative's Gains and Losses (Details)

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Locations and Amounts of Designated and Non-Designated Derivative's Gains and Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Derivative Instruments
Revenues	$ 1,803,773	$ 1,423,964	$ 4,993,263	$ 4,346,831
Costs of revenues and operating expenses	1,131,626	1,248,000	3,224,563	3,297,788
Interest expense	39,092	39,231	117,358	120,053
Other expense (income), net	(7,348)	(1,004)	(269)	(5,190)
Amount of gains (losses) reclassified from accumulated OCI to earnings	(675)	2,904	(1,736)	1,252
Rate lock contracts \| Revenue
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	0	0	0	0
Rate lock contracts \| Cost of Revenues and Operating Expenses
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	0	0	0	0
Rate lock contracts \| Interest Expense
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	(279)	(159)	(837)	(358)
Rate lock contracts \| Other Expense (Income), Net
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	0	0	0	0
Foreign exchange contracts \| Revenue
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	(441)	2,970	(1,091)	3,530
Amount excluded from the assessment of effectiveness recognized in earnings	(142)	81	(420)	(114)
Amount of gains (losses) recognized in earnings	0	0	0	0
Foreign exchange contracts \| Cost of Revenues and Operating Expenses
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	187	12	612	(1,806)
Amount excluded from the assessment of effectiveness recognized in earnings	0	0	0	0
Amount of gains (losses) recognized in earnings	0	0	0	0
Foreign exchange contracts \| Interest Expense
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	0	0	0	0
Amount excluded from the assessment of effectiveness recognized in earnings	0	0	0	0
Amount of gains (losses) recognized in earnings	0	0	0	0
Foreign exchange contracts \| Other Expense (Income), Net
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	0	0	0	0
Amount excluded from the assessment of effectiveness recognized in earnings	699	0	699	0
Amount of gains (losses) recognized in earnings	$ 3,420	$ (4,373)	$ 483	$ 8