Goodwill and Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Components of Goodwill by Business Segment

The following table sets forth the changes in the carrying amount of goodwill by reportable segment since September 30, 2018 (in thousands):

	Brooks
	Semiconductor		Brooks		Brooks
	Solutions		Life Sciences		Life Sciences
	Group		Products		Services		Other		Total
Gross goodwill, at September 30, 2018	$	636,907	$	104,212	$	103,701	$	26,014	$	870,834
Accumulated goodwill impairments		(588,944)		—		—		(26,014)		(614,958)
Goodwill, net of accumulated impairments, at September 30, 2018		47,963		104,212		103,701		—		255,876
Acquisitions and adjustments		(116)		(2,255)		235,097		—		232,726
Gross goodwill, at September 30, 2019		636,791		101,957		338,798		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		101,957		338,798		—		488,602
Acquisitions and adjustments		512		1,321		11,101		—		12,934
Gross goodwill, at September 30, 2020		637,303		103,278		349,899		26,014		1,116,494
Accumulated goodwill impairments		(588,944)		—				(26,014)		(614,958)
Goodwill, net of accumulated impairments, at September 30, 2020	$	48,359	$	103,278	$	349,899	$	—	$	501,536

Components of Identifiable Intangible Assets

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

	September 30, 2020						September 30, 2019
			Accumulated		Net Book				Accumulated		Net Book
	Cost		Amortization		Value		Cost		Amortization		Value
Patents	$	5,302	$	4,865	$	437	$	5,302	$	4,628	$	674
Completed technology		92,477		49,875		42,602		88,288		38,778		49,510
Trademarks and trade names		25,769		9,322		16,447		25,340		5,807		19,533
Customer relationships		271,113		112,277		158,836		265,451		84,048		181,403
Other intangibles		245		242		3		231		183		48
	$	394,906	$	176,581	$	218,325	$	384,612	$	133,444	$	251,168

Schedule of Future Amortization Expense

Estimated future amortization expense for the intangible assets as of September 30, 2020 is as follows (in thousands):

Fiscal year ended September 30,
2021	$	38,723
2022		35,459
2023		32,158
2024		27,260
2025		21,872
Thereafter		62,853
	$	218,325