Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Components of Goodwill by Business Segment

The changes in the Company’s goodwill by reportable segment since 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		35		1,733		—		1,768
Gross goodwill, at December 31, 2019		636,826		442,488		26,014		1,105,328
Accumulated goodwill impairments		(588,944)		—		(26,014)		(614,958)
Goodwill, net of accumulated impairments, at December 31, 2019	$	47,882	$	442,488	$	—	$	490,370

Components of Identifiable Intangible Assets

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

	December 31, 2019						September 30, 2019
			Accumulated		Net Book				Accumulated		Net Book
	Cost		Amortization		Value		Cost		Amortization		Value
Patents	$	5,302	$	4,702	$	600	$	5,302	$	4,628	$	674
Completed technology		88,819		41,548		47,271		88,288		38,778		49,510
Trademarks and trade names		25,424		6,689		18,735		25,340		5,807		19,533
Customer relationships		267,087		91,474		175,613		265,450		84,047		181,403
Other intangibles		233		204		29		231		183		48
	$	386,865	$	144,617	$	242,248	$	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	$	30,729
2021		37,494
2022		34,390
2023		31,267
2024		26,500
Thereafter		81,868
	$	242,248