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, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Derivative Instruments
Revenues	$ 1,423,964	$ 1,097,311	$ 4,346,831	$ 3,310,469
Costs of revenues and operating expenses	1,248,000		3,297,788
Costs of revenues	590,158	486,945	1,828,017	1,276,592
Interest expense	39,231	31,187	120,053	84,087
Other expense (income), net	(1,004)	(9,282)	(5,190)	(28,535)
Amount of gains (losses) reclassified from accumulated OCI to earnings	2,904	946	1,252	3,719
Rate lock contracts \| Revenues
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	0		0
Amount of gains (losses) reclassified from accumulated OCI to earnings as a result that a forecasted transaction is no longer probable of occurring	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
Amount of gains (losses) reclassified from accumulated OCI to earnings as a result that a forecasted transaction is no longer probable of occurring	0		0
Rate lock contracts \| Cost of Revenues
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings as a result that a forecasted transaction is no longer probable of occurring		0		0
Rate lock contracts \| Interest Expense
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	(159)		(358)
Amount of gains (losses) reclassified from accumulated OCI to earnings as a result that a forecasted transaction is no longer probable of occurring	0	0	0	0
Rate lock contracts \| Other Expense (Income), Net
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	0		0
Amount of gains (losses) reclassified from accumulated OCI to earnings as a result that a forecasted transaction is no longer probable of occurring	0	0	0	0
Foreign exchange contracts \| Revenues
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	2,970	655	3,530	3,343
Amount excluded from the assessment of effectiveness recognized in earnings based on an amortization approach	81	0	(114)	80
Amount excluded from the assessment of effectiveness	0	0	0	0
Amount of gains (losses) recognized in earnings	0		0
Foreign exchange contracts \| Cost of Revenues and Operating Expenses
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	12		(1,806)
Amount excluded from the assessment of effectiveness recognized in earnings based on an amortization approach	0		0
Amount excluded from the assessment of effectiveness	0		0
Amount of gains (losses) recognized in earnings	0		0
Foreign exchange contracts \| Cost of Revenues
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings		(17)		(309)
Amount excluded from the assessment of effectiveness recognized in earnings based on an amortization approach		0		(8)
Amount excluded from the assessment of effectiveness		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 based on an amortization approach	0	0	0	0
Amount excluded from the assessment of effectiveness	0	0	0	0
Amount of gains (losses) recognized in earnings	0		0
Foreign exchange contracts \| Other Expense (Income), Net
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings	0	158	0	158
Amount excluded from the assessment of effectiveness recognized in earnings based on an amortization approach	0	0	0	0
Amount excluded from the assessment of effectiveness	0	(121)	0	(208)
Amount of gains (losses) recognized in earnings	$ (4,373)		$ 8
Derivatives designated as hedging instruments \| Rate lock contracts \| Revenues
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings		0		0
Derivatives designated as hedging instruments \| Rate lock contracts \| Cost of Revenues
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings		0		0
Derivatives designated as hedging instruments \| Rate lock contracts \| Interest Expense
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings		150		527
Derivatives designated as hedging instruments \| Rate lock contracts \| Other Expense (Income), Net
Derivative Instruments
Amount of gains (losses) reclassified from accumulated OCI to earnings		0		0
Derivatives not designated as hedging instruments \| Foreign exchange contracts \| Revenues
Derivative Instruments
Amount of gains (losses) recognized in earnings		0		0
Derivatives not designated as hedging instruments \| Foreign exchange contracts \| Cost of Revenues
Derivative Instruments
Amount of gains (losses) recognized in earnings		0		0
Derivatives not designated as hedging instruments \| Foreign exchange contracts \| Interest Expense
Derivative Instruments
Amount of gains (losses) recognized in earnings		0		0
Derivatives not designated as hedging instruments \| Foreign exchange contracts \| Other Expense (Income), Net
Derivative Instruments
Amount of gains (losses) recognized in earnings		$ 513		$ 576