Goodwill and Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Components of Goodwill by Business Segment

The changes in the Company’s goodwill by reportable segment at March 31, 2020 and September 30, 2019 are as follows (in thousands):

	Brooks
	Semiconductor
	Solutions		Brooks
	Group		Life Sciences		Other		Total
Gross goodwill, at September 30, 2019	$	636,791	$	440,755	$	26,014	$	1,103,560
Accumulated goodwill impairments		(588,944)		—		(26,014)		(614,958)
Goodwill, net of accumulated impairments, at September 30, 2019		47,847		440,755		—		488,602
Acquisitions and adjustments		119		9,781		—		9,900
Gross goodwill, at March 31, 2020		636,910		450,536		26,014		1,113,460
Accumulated goodwill impairments		(588,944)		—		(26,014)		(614,958)
Goodwill, net of accumulated impairments, at March 31, 2020	$	47,966	$	450,536	$	—	$	498,502

Components of Identifiable Intangible Assets

The components of the Company’s identifiable intangible assets as of March 31, 2020 and September 30, 2019 are as follows (in thousands):

	March 31, 2020						September 30, 2019
			Accumulated		Net Book				Accumulated		Net Book
	Cost		Amortization		Value		Cost		Amortization		Value
Patents	$	8,251	$	4,833	$	3,418	$	5,302	$	4,628	$	674
Completed technology		88,309		43,946		44,363		88,288		38,778		49,510
Trademarks and trade names		25,591		7,543		18,048		25,340		5,807		19,533
Customer relationships		267,921		97,665		170,256		265,450		84,047		181,403
Other intangibles		231		221		10		231		183		48
	$	390,303	$	154,208	$	236,095	$	384,611	$	133,443	$	251,168

Schedule of Future Amortization Expense

Estimated future amortization expense for the intangible assets for the remainder of fiscal year 2020, the subsequent four fiscal years and thereafter is as follows (in thousands):

Fiscal year ended September 30,
2020	$	20,942
2021		38,689
2022		35,417
2023		32,128
2024		27,314
Thereafter		81,605
	$	236,095