Goodwill and Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Components of Goodwill by Business Segment

The components of the Company’s goodwill by an operating segment at June 30, 2017 and September 30, 2016 are as follows (in thousands):

	Brooks
	Semiconductor		Brooks
	Solutions		Life Science
	Group		Systems		Other		Total
Gross goodwill, at September 30, 2016	$	655,781	$	135,301	$	26,014	$	817,096
Accumulated goodwill impairments		(588,944)		—		(26,014)		(614,958)
Goodwill, net of accumulated impairments, at September 30, 2016		66,837		135,301		—		202,138
Acquisitions and adjustments		(56)		8,527		—		8,471
Gross goodwill, at June 30, 2017		655,725		143,828		26,014		825,567
Accumulated goodwill impairments		(588,944)		—		(26,014)		(614,958)
Goodwill, net of accumulated impairments, at June 30, 2017	$	66,781	$	143,828	$	—	$	210,609

Components of Identifiable Intangible Assets

The components of the Company’s identifiable intangible assets as of June 30, 2017 and September 30, 2016 are as follows (in thousands):

	June 30, 2017						September 30, 2016
			Accumulated		Net Book				Accumulated		Net Book
	Cost		Amortization		Value		Cost		Amortization		Value
Patents	$	9,028	$	7,724	$	1,304	$	7,808	$	7,486	$	322
Completed technology		60,745		53,931		6,814		60,485		51,018		9,467
Trademarks and trade names		9,142		4,776		4,366		9,142		4,204		4,938
Customer relationships		119,260		56,286		62,974		114,263		47,147		67,116
	$	198,175	$	122,717	$	75,458	$	191,698	$	109,855	$	81,843

Schedule of Future Amortization Expense

Estimated future amortization expense for the intangible assets for the remainder of fiscal year 2017 and the subsequent four fiscal years is as follows (in thousands):

Fiscal year ended September 30,
2017	$	3,970
2018		15,693
2019		15,468
2020		14,156
2021		8,253
Thereafter		17,918
	$	75,458