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GOODWILL AND INTANGIBLE ASSETS (Tables)
 12 Months Ended
Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The following table summarizes the Company's recorded goodwill by reportable segments as of September 30, 2017 and October 1, 2016:
(in thousands)
 
Capital Equipment
 
APS
 
 
Total
Balance at October 3, 2015 and October 1, 2016 (1)
 
$
33,453

 
$
47,819

 
 
$
81,272

Acquired in business combination
 
10,253

 
—

 
 
10,253

Goodwill impairment
 
(13,731
)
 
(21,476
)
 
 
(35,207
)
Balance at September 30, 2017
 
$
29,975

 
$
26,343

 
 
$
56,318


(1)
Balances have been recasted due to the operating and reportable segments realignment.
Net intangible assets
The following table reflects net intangible assets as of September 30, 2017 and October 1, 2016: 
 
 
As of
 
Average estimated
(dollar amounts in thousands)
 
September 30, 2017
 
October 1, 2016
 
useful lives (in years)
Developed technology
 
$
74,080

 
$
74,080

 
7.0 to 15.0
Acquired in business combination
 
18,060

 
—

 
 
Accumulated amortization
 
(41,162
)
 
(37,969
)
 
 
Net developed technology
 
$
50,978

 
$
36,111

 
 
 
 
 
 
 
 
 
Customer relationships
 
$
36,968

 
$
36,968

 
5.0 to 6.0
Accumulated amortization
 
(27,398
)
 
(24,455
)
 
 
Net customer relationships
 
$
9,570

 
$
12,513

 
 
 
 
 
 
 
 
 
Trade and brand names
 
$
7,515

 
$
7,515

 
7.0 to 8.0
Accumulated amortization
 
(5,747
)
 
(5,329
)
 
 
Net trade and brand names
 
$
1,768

 
$
2,186

 
 
 
 
 
 
 
 
 
Other intangible assets
 
$
2,500

 
$
2,500

 
1.9
Accumulated amortization
 
(2,500
)
 
(2,500
)
 
 
Net wedge bonder other intangible assets
 
$
—

 
$
—

 
 
 
 
 
 
 
 
 
Net intangible assets
 
$
62,316

 
$
50,810

 
 
Estimated annual amortization expense related to intangible assets
The following table reflects estimated annual amortization expense related to intangible assets as of September 30, 2017:
 
As of
(in thousands)
September 30, 2017
Fiscal 2018
$
7,892

Fiscal 2019
7,892

Fiscal 2020
7,892

Fiscal 2021
5,684

Fiscal 2022 and thereafter
32,956

Total amortization expense
$
62,316