Goodwill and Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Components of Goodwill by Business Segment

The changes in the Company’s goodwill by operating segment since September 30, 2018 are as follows (in thousands):

	Brooks
	Semiconductor
	Solutions		Brooks
	Group		Life Sciences		Other		Total
Gross goodwill, at September 30, 2018	$	636,907	$	207,913	$	26,014	$	870,834
Accumulated goodwill impairments		(588,944)		—		(26,014)		(614,958)
Goodwill, net of accumulated impairments, at September 30, 2018		47,963		207,913		—		255,876
Acquisitions and adjustments		—		234,669		—		234,669
Gross goodwill, at June 30, 2019		636,907		442,582		26,014		1,105,503
Accumulated goodwill impairments		(588,944)		—		(26,014)		(614,958)
Goodwill, net of accumulated impairments, at June 30, 2019	$	47,963	$	442,582	$	—	$	490,545

Components of Identifiable Intangible Assets

The components of the Company’s identifiable intangible assets as of June 30, 2019 and September 30, 2018 are as follows (in thousands):

	June 30, 2019						September 30, 2018
			Accumulated		Net Book				Accumulated		Net Book
	Cost		Amortization		Value		Cost		Amortization		Value
Patents	$	5,302	$	4,553	$	749	$	5,302	$	4,325	$	977
Completed technology		88,921		36,222		52,699		44,829		28,934		15,895
Trademarks and trade names		25,490		5,035		20,455		6,298		2,953		3,345
Customer relationships		267,225		79,002		188,223		142,489		62,750		79,739
Other intangibles		239		170		69		—		—		—
	$	387,177	$	124,982	$	262,195	$	198,918	$	98,962	$	99,956

Schedule of Future Amortization Expense

Estimated future amortization expense for the intangible assets for the remainder of fiscal year 2019, the subsequent four fiscal years and thereafter is as follows (in thousands):

Fiscal year ended September 30,
2019	$	9,025
2020		41,365
2021		37,494
2022		34,390
2023		31,267
Thereafter		108,654
	$	262,195