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

Business Combinations - Other Fiscal 2019 and 2018 Acquisitions Additional Information (Details)

v3.19.2

Business Combinations - Other Fiscal 2019 and 2018 Acquisitions Additional Information (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2019 USD ($) company	Sep. 30, 2018 USD ($) company	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Business Acquisition
Goodwill			$ 2,211,858,000	$ 354,698,000	$ 349,526,000
Three privately-held companies
Business Acquisition
Number of companies acquired \| company	3
Total purchase consideration	$ 118,300,000
Additional consideration (up to)	13,000,000.0
Additional contingent consideration, liability			5,100,000
Two privately-held companies
Business Acquisition
Number of companies acquired \| company		2
Total purchase consideration		$ 15,400,000
Additional consideration (up to)		$ 6,000,000.0
Additional contingent consideration, liability			1,800,000
Acquisition of privately-held companies in 2019
Business Acquisition
Revenue of acquiree since acquisition			9,700,000
Net income of acquiree since acquisition			3,500,000
Acquisition-related costs			$ 40,200,000
Goodwill	$ 45,380,000
Product line from Keysight Technologies, Inc.
Business Acquisition
Total purchase consideration				12,100,000
Goodwill				$ 5,200,000

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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