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

Goodwill and Purchased Intangible Assets (Tables)

Goodwill and Purchased Intangible Assets (Tables)

6 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

The following table presents goodwill balances and the movements by reporting unit during the six months ended December 31, 2017:



(In thousands)	Wafer Inspection		Patterning		GSS		Others		Total
Balance as of June 30, 2017	$	281,095	$	53,255	$	2,856	$	12,320	$	349,526
Foreign currency and other adjustments	13		—		97		387		497
Balance as of December 31, 2017	$	281,108	$	53,255	$	2,953	$	12,707	$	350,023

Components of Purchased Intangible Assets

The components of purchased intangible assets as of the dates indicated below were as follows:



(In thousands)		As of December 31, 2017						As of June 30, 2017
Category	Range of Useful Lives	Gross Carrying Amount		Accumulated Amortization and Impairment		Net Amount		Gross Carrying Amount		Accumulated Amortization and Impairment		Net Amount
Existing technology	4-7 years	$	157,259	$	142,459	$	14,800	$	157,259	$	140,346	$	16,913
Trade name/Trademark	7 years	20,993		19,981		1,012		20,993		19,902		1,091
Customer relationships	7-8 years	55,680		55,036		644		55,680		54,959		721
Backlog	<1 year	260		153		107		260		22		238
Total		$	234,192	$	217,629	$	16,563	$	234,192	$	215,229	$	18,963

Remaining Estimated Amortization Expense

Based on the intangible assets recorded as of December 31, 2017, and assuming no subsequent additions to, or impairment of, the underlying assets, the remaining estimated amortization expense is expected to be as follows:



Fiscal year ending June 30:	Amortization (In thousands)
2018 (remaining 6 months)	$	1,851
2019	2,486
2020	2,486
2021	2,486
2022	2,486
Thereafter	4,768
Total	$	16,563