KLA Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

GOODWILL AND PURCHASED INTANGIBLE ASSETS - Schedule of Goodwill (Details)

GOODWILL AND PURCHASED INTANGIBLE ASSETS - Schedule of Goodwill (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Goodwill [Line Items]
Goodwill			$ 2,507,949,000	$ 2,813,039,000	$ 2,854,268,000
Accumulated impairment losses			(492,223,000)	(534,219,000)	(534,219,000)
Goodwill [Roll Forward]
Beginning balance			2,278,820,000	2,320,049,000
Acquired goodwill				6,776,000
Goodwill disposal from sale of business				(42,622,000)
Goodwill adjustments				(5,337,000)
Goodwill impairment			(263,074,000)	0
Reallocation due to change in reporting units			0
Foreign currency adjustments			(20,000)	(46,000)
Ending balance			2,015,726,000	2,278,820,000
Wafer Inspection and Patterning
Goodwill [Line Items]
Goodwill			1,004,680,000	1,004,700,000	1,003,307,000
Accumulated impairment losses			(277,570,000)	(277,570,000)	(277,570,000)
Goodwill [Roll Forward]
Beginning balance			727,130,000	725,737,000
Acquired goodwill				6,776,000
Goodwill disposal from sale of business				0
Goodwill adjustments				(5,337,000)
Goodwill impairment			0
Reallocation due to change in reporting units			0
Foreign currency adjustments			(20,000)	(46,000)
Ending balance			727,110,000	727,130,000
Global Service and Support (“GSS”)
Goodwill [Line Items]
Goodwill			25,908,000	25,908,000	25,908,000
Accumulated impairment losses			0	0	0
Goodwill [Roll Forward]
Beginning balance			25,908,000	25,908,000
Acquired goodwill				0
Goodwill disposal from sale of business				0
Goodwill adjustments				0
Goodwill impairment			0
Reallocation due to change in reporting units			0
Foreign currency adjustments			0	0
Ending balance			25,908,000	25,908,000
Specialty Semiconductor Process
Goodwill [Line Items]
Goodwill			826,037,000	826,037,000	826,037,000
Accumulated impairment losses			(144,179,000)	(144,179,000)	(144,179,000)
Goodwill [Roll Forward]
Beginning balance			681,858,000	681,858,000
Acquired goodwill				0
Goodwill disposal from sale of business				0
Goodwill adjustments				0
Goodwill impairment			0
Reallocation due to change in reporting units			0
Foreign currency adjustments			0	0
Ending balance			681,858,000	681,858,000
PCB and Display
Goodwill [Line Items]
Goodwill			0	942,819,000	985,441,000
Accumulated impairment losses			0	(112,470,000)	(112,470,000)
Goodwill [Roll Forward]
Beginning balance			830,349,000	872,971,000
Acquired goodwill				0
Goodwill disposal from sale of business				(42,622,000)
Goodwill adjustments				0
Goodwill impairment		$ (192,600,000)	(192,600,000)
Reallocation due to change in reporting units			(637,749,000)
Foreign currency adjustments			0	0
Ending balance			0	830,349,000
PCB
Goodwill [Line Items]
Goodwill			567,275,000	0	0
Accumulated impairment losses			0	0	0
Goodwill [Roll Forward]
Beginning balance			0	0
Acquired goodwill				0
Goodwill disposal from sale of business				0
Goodwill adjustments				0
Goodwill impairment			0
Reallocation due to change in reporting units			567,275,000
Foreign currency adjustments			0	0
Ending balance			567,275,000	0
Display
Goodwill [Line Items]
Goodwill			70,474,000	0	0
Accumulated impairment losses			(70,474,000)	0	0
Goodwill [Roll Forward]
Beginning balance			0	0
Acquired goodwill				0
Goodwill disposal from sale of business				0
Goodwill adjustments				0
Goodwill impairment	$ (70,500,000)		(70,474,000)
Reallocation due to change in reporting units			70,474,000
Foreign currency adjustments			0	0
Ending balance			0	0
Component Inspection
Goodwill [Line Items]
Goodwill			13,575,000	13,575,000	13,575,000
Accumulated impairment losses			0	0	$ 0
Goodwill [Roll Forward]
Beginning balance			13,575,000	13,575,000
Acquired goodwill				0
Goodwill disposal from sale of business				0
Goodwill adjustments				0
Goodwill impairment
Reallocation due to change in reporting units
Foreign currency adjustments			0	0
Ending balance			$ 13,575,000	$ 13,575,000